OpenTechnical

OT-2026-000100370

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, single stage ejector, pressure sensor per zone, 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-2026-000100370) never changes.

Identity and time

Publication numberOT-2026-000100370 · never reused
Internal UUID01a0aea3-3054-789f-9219-cc5f10885dd5 · 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-2026-000100370
StatusPUBLIC

Content hashes

Canonical text4d35022b489d49d7438c5043a4033d30671456df555fcba1612b5de69e325e55
Markdowna0bbf301e086f05fc3b35194ab0d0676fbde722498cfc9da099645cbc0fc4809
PDF
Publication page26053a21f8934d12845bd12832f1b8bcb41528e21045c37681169a2871ee4c09
Manifest75396eae09d8044b1374220c2602d5cb0b760124f451dbf5146153db1aa409f0

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
SignaturezjR6P+1Dp2pAZBmVj4EBQR0pmCX30MisIaCrNcHkwFAa20WT2CIXkPVqBQt8qT5PgY8JGgMcQMprkieTpKF7Ag==
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

2026-09-17T09:30:19.628136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100370
observed 26053a21f8934d12845bd12832f1b8bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:19.607521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100370/manifest.json
observed 75396eae09d8044b1374220c2602d5cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:19.587480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100370/publication.md
observed a0bbf301e086f05fc3b35194ab0d0676...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:19.566118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100370/publication.txt
observed 4d35022b489d49d7438c5043a4033d30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:41.836918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100370
observed 26053a21f8934d12845bd12832f1b8bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:41.818598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100370/manifest.json
observed 75396eae09d8044b1374220c2602d5cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:41.800840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100370/publication.md
observed a0bbf301e086f05fc3b35194ab0d0676...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:41.782833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100370/publication.txt
observed 4d35022b489d49d7438c5043a4033d30...
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.