OpenTechnical

OT-2026-000025643

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, pulsed 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-2026-000025643) never changes.

Identity and time

Publication numberOT-2026-000025643 · never reused
Internal UUID01a0ae71-9bc9-7138-95a3-6ca588d56a14 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:56.183170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025643
StatusPUBLIC

Content hashes

Canonical texte7ee786232b980e8aa9c043b2ff87ba3aeaad4c2f938174d34281c3516d70255
Markdownfbac9c1321bad4e35797174eaa48d7471c607d5b5df5001fd76f5fd4d22ceb4c
PDF
Publication page34650757e2c6063c732bc721cbf98c4865c0ad5a01755dc7b3b0b18b012da328
Manifest8b17e217b10e5c450adfa3c61635c4e3202c2e99fa54348e93de29b72bfa3f65

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
Signature1n1+sxA3OZfS7OBLb+HQprCBFWRw48xKZLLdqNY2oK+EIrQPXgVOsKBtpMMYmz3mvv7u3czzqDgu2kCF0OxoCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:46:50.689825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025643
observed 34650757e2c6063c732bc721cbf98c48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:50.673831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025643/manifest.json
observed 8b17e217b10e5c450adfa3c61635c4e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:50.655581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025643/publication.md
observed fbac9c1321bad4e35797174eaa48d747...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:50.637319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025643/publication.txt
observed e7ee786232b980e8aa9c043b2ff87ba3...
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.