OpenTechnical

OT-2026-000064945

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented after 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-2026-000064945) never changes.

Identity and time

Publication numberOT-2026-000064945 · never reused
Internal UUID01a0ae8d-debd-72ad-93b4-ab8bed6f1931 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064945
StatusPUBLIC

Content hashes

Canonical textd56d2cd9f613496407dba7dde7a2ce689e0f2ceb1889661cae17b6a61ac4255b
Markdown1b17ac712afbc673fdfa698c95963bf61f88fa70dbbcef757bea73c8dc12c034
PDF
Publication page29c676cd7e303d46f0f0404383f021b55de2cccb1c40280f34df6ac9519da845
Manifest070389f54d5afabd0ed7afdbff6852b606c306b744b7206504e2b36a409d8624

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
SignatureClt5g9Q98Lsb3c8Ai9kZh9tq7FTeTnb2NiXXLGqAN82RYOGr4JNdIPy3fgaLQWSalt59DX7lbvG8Yt7Q5LaoCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:35:53.080901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064945
observed 29c676cd7e303d46f0f0404383f021b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:53.064754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064945/manifest.json
observed 070389f54d5afabd0ed7afdbff6852b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:53.047883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064945/publication.md
observed 1b17ac712afbc673fdfa698c95963bf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:53.028210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064945/publication.txt
observed d56d2cd9f613496407dba7dde7a2ce68...
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.