OpenTechnical

OT-2026-000054935

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000054935) never changes.

Identity and time

Publication numberOT-2026-000054935 · never reused
Internal UUID01a0ae86-5e7f-7b45-a93d-8ff0e66ec28d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054935
StatusPUBLIC

Content hashes

Canonical text1cbe53d13690d6ec3bc95e15a22ff8922c2a45d6e97afcb78911467c241e02ec
Markdowne5a362078a1a8fcd81bbb8048c435f223d7c7fad8c27cc0e2098e3c1ebfc3401
PDF
Publication paged40c9ced439fd0f267be6c4cc8d4b508b57df017a07db535facef30d5ea4fbad
Manifest68e81e328851b58d2b7d98057d2ce3969eb011d673f1aaf63be1e82b469ec65c

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
Signaturewx75ewpQ1r2DZskGTrSGJd/xPg8gxxZcYsWvC66rLjbcINoSlPwLLehdFZywr0ezBox7gMoBQTiWjM6laJlABg==
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

2026-09-17T10:53:02.391826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054935
observed d40c9ced439fd0f267be6c4cc8d4b508...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:02.373525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054935/manifest.json
observed 68e81e328851b58d2b7d98057d2ce396...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:02.356163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054935/publication.md
observed e5a362078a1a8fcd81bbb8048c435f22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:02.339030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054935/publication.txt
observed 1cbe53d13690d6ec3bc95e15a22ff892...
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

Custody packagePending Custody packages are produced weekly.