OpenTechnical

OT-2026-000097305

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, plant vacuum fed, 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-2026-000097305) never changes.

Identity and time

Publication numberOT-2026-000097305 · never reused
Internal UUID01a0aea1-01cb-72bd-8b3e-3f655c055546 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097305
StatusPUBLIC

Content hashes

Canonical textd3b34bf3996d835ae050c0342d217692ea48916ee942bb853a6ef2c179a6292c
Markdownda4fc6b45774ea74fffcd2d2400d60c240f028a76b57a3e1fc3ed3da8190d762
PDF
Publication page42f9a2829912f8c354e69c6e6f1f25e869404b2b12fc4da3b3a1150615a94376
Manifest2c56e893aac6c2ec28733619cc38abc76b3b613142fcaca54becab103996e352

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
Signature2AgMpzi8tdzB4cfSbZCPgVWtncXVDXxxZ35A8uSmJAPlQlp1gDJ0RviiKP2aHXj8BbFst4gSUCgngyzXb1nvAQ==
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

2026-09-17T09:33:34.227412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097305
observed 42f9a2829912f8c354e69c6e6f1f25e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:34.212421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097305/manifest.json
observed 2c56e893aac6c2ec28733619cc38abc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:34.196114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097305/publication.md
observed da4fc6b45774ea74fffcd2d2400d60c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:34.179185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097305/publication.txt
observed d3b34bf3996d835ae050c0342d217692...
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.