OpenTechnical

OT-2026-000091685

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, three 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-2026-000091685) never changes.

Identity and time

Publication numberOT-2026-000091685 · never reused
Internal UUID01a0ae9d-43b8-7b62-821b-a80b536e0c7f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091685
StatusPUBLIC

Content hashes

Canonical textf8f1899123d8d2a81308c18c4ba6edee96a1f124c68e9de68d268743cc842192
Markdownec4e41eeeef8e00ace3d71cbb4e020c17dfc056c4995acb8769e339778259d40
PDF
Publication paged96bda1ab98c1ce7e015d9e7b13209579a1f55a0cd62f9676fb09573231253bf
Manifestaaee02a650b9f24fdf260cff715854b32dda98b6700cace2212b3d2032cda9ea

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
SignaturezWRY72i45CKh4IMbxha0MvpoQ//tShr3tvLsdbFm4p6AB/WzjQ3gJuN0aFC2DUc3IPqPaIxo4JYZoCH//pfjBA==
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

2026-09-17T09:42:04.046092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091685
observed d96bda1ab98c1ce7e015d9e7b1320957...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:04.028065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091685/manifest.json
observed aaee02a650b9f24fdf260cff715854b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:04.008730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091685/publication.md
observed ec4e41eeeef8e00ace3d71cbb4e020c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:03.990087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091685/publication.txt
observed f8f1899123d8d2a81308c18c4ba6edee...
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.