OpenTechnical

OT-2026-000053958

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000053958) never changes.

Identity and time

Publication numberOT-2026-000053958 · never reused
Internal UUID01a0ae85-b3a7-7067-8131-9d93fb695367 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053958
StatusPUBLIC

Content hashes

Canonical text430c247463db8fe6e2ae5e6ccf0ff125965cd5de67b0cce52f579d122359cceb
Markdown8b213df668bee577ab1371ab2896b25fdfc3fd1af8b961f0ac91000b8f5ef340
PDF
Publication pagea531d0e7b36118f567e51add67600f692066983be5296e287558602021dd0eec
Manifest86f90f81e5dc7e98df68fa8879d96a01601df4115678836059493ab510275fc3

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
Signature6ZEUlytKdDtXx8GAKEY8q4nyn0JsJNcW72bhRIxEAKJu/+ds6CouUPETNcAm+ldhZr4bb0fr2glr2UjrZbUFAw==
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

2026-09-17T10:54:13.376226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053958
observed a531d0e7b36118f567e51add67600f69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:13.352417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053958/manifest.json
observed 86f90f81e5dc7e98df68fa8879d96a01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:13.326366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053958/publication.md
observed 8b213df668bee577ab1371ab2896b25f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:13.300015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053958/publication.txt
observed 430c247463db8fe6e2ae5e6ccf0ff125...
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.