OpenTechnical

OT-2026-000098172

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, supply line pressure sensor, sustained 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-2026-000098172) never changes.

Identity and time

Publication numberOT-2026-000098172 · never reused
Internal UUID01a0aea1-e964-7a09-a9ff-f99f93dddb5f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098172
StatusPUBLIC

Content hashes

Canonical texte2ea877e069374747a1fc83401f16ea7cd0ec4b8ce9217c4e8fd5da89e7f5f0a
Markdown672b614eed6e15258c4c34c15ab650680244863f447dd2278756eb793e867e75
PDF
Publication page2794eb7df16f6f3c5a00587efaf7b4897af34babf5ab30d38081d8b89db84801
Manifest095415f7ae14b024adb27a256576466135f859e91f3352908c66ae7503d60cec

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
Signature5HvPD3uN/ENFklKqBOp5+IIVUFcihc4PhfaxXwCnAvd5f8e8jSxO0OHipEdSIP6HJLN+rEevRx86wIwoCuCLDQ==
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

2026-09-17T09:31:19.540589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098172
observed 2794eb7df16f6f3c5a00587efaf7b489...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:19.521979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098172/manifest.json
observed 095415f7ae14b024adb27a2565764661...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:19.504507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098172/publication.md
observed 672b614eed6e15258c4c34c15ab65068...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:19.489169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098172/publication.txt
observed e2ea877e069374747a1fc83401f16ea7...
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.