OpenTechnical

OT-2026-000100230

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, sustained blow-off before set-down

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-2026-000100230) never changes.

Identity and time

Publication numberOT-2026-000100230 · never reused
Internal UUID01a0aea3-3053-764a-9f1d-87ae2c0b1229 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100230
StatusPUBLIC

Content hashes

Canonical textc4d319bf9f6293758b93022894adbd14d451178c22e31a1baf22938ad85fd594
Markdown12b263b3ab42e34e270983522e0b98430ff1db3f5ee81c6b73d862cdab08d31e
PDF
Publication page61f63dc1b3a35b21c531b8bcfb8e7e1895654cfce78593bc952aab440e3675a2
Manifest16d5f634a153606fad40cc1b1092826f7fe50bf459a14cfa2b4946cd019940bd

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
SignatureuuE0ocTnbuJTPewvhlKnWwSRl0SnJoN6Tr6glz0ajdTrEWMZLAmAwWrPKsBpQGqYqDLaGh7PBpg100hvFx8JBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-10-21T04:41:14.009547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100230
observed 61f63dc1b3a35b21c531b8bcfb8e7e18...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-21T04:41:13.940434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100230/manifest.json
observed 16d5f634a153606fad40cc1b1092826f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-21T04:41:13.850149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100230/publication.md
observed 12b263b3ab42e34e270983522e0b9843...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-21T04:41:13.717748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100230/publication.txt
observed c4d319bf9f6293758b93022894adbd14...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-04T04:23:22.317708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100230
observed 61f63dc1b3a35b21c531b8bcfb8e7e18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-04T04:23:22.299939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100230/manifest.json
observed 16d5f634a153606fad40cc1b1092826f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-04T04:23:22.270245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100230/publication.md
observed 12b263b3ab42e34e270983522e0b9843...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-04T04:23:22.211716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100230/publication.txt
observed c4d319bf9f6293758b93022894adbd14...
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