OpenTechnical

OT-2026-000052937

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, vented before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000052937) never changes.

Identity and time

Publication numberOT-2026-000052937 · never reused
Internal UUID01a0ae84-a42f-71f3-8dc3-3bb801f2a65e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052937
StatusPUBLIC

Content hashes

Canonical textaab76096aadd7982756ff806ad91b8ab3ab7640746ef9ce0678707afae4bd9f2
Markdown3e5d97727569d9fa4b053084677b6a7f4fea2b10780d123b6bf379fabffe9de5
PDF
Publication pagefd18b22141cbdd0ef4e43554fe0ba26c40429a28a1181187547e3aa4d9faffec
Manifest81723deafec94af5a8e1523991a9d228f60513c0f4878ec62b4376437985b12a

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturehNuojhsL7MQ9m1oRNUHHK0ytdxJyAAHn0K4ajPRKWrBDmWTuGAROU6X/dMlFe8QCtlCK5lGwtOYHil0vNHp5CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-11-04T00:42:02.438890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052937
observed fd18b22141cbdd0ef4e43554fe0ba26c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-11-04T00:42:02.378050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052937/manifest.json
observed 81723deafec94af5a8e1523991a9d228...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-11-04T00:42:02.318964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052937/publication.md
observed 3e5d97727569d9fa4b053084677b6a7f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-11-04T00:42:02.212193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052937/publication.txt
observed aab76096aadd7982756ff806ad91b8ab...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T10:56:36.845821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052937
observed fd18b22141cbdd0ef4e43554fe0ba26c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:36.827079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052937/manifest.json
observed 81723deafec94af5a8e1523991a9d228...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:36.806455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052937/publication.md
observed 3e5d97727569d9fa4b053084677b6a7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:36.787039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052937/publication.txt
observed aab76096aadd7982756ff806ad91b8ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent