OpenTechnical

OT-2026-000092105

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, pump fed, 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-2026-000092105) never changes.

Identity and time

Publication numberOT-2026-000092105 · never reused
Internal UUID01a0ae9d-8759-77bc-a130-dddda1500634 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092105
StatusPUBLIC

Content hashes

Canonical text71bb941e8ee7ac2edb25fc3486ea22d1c0799c505545fe56e81091200cdd3810
Markdownab25660fae0604e303ec7f0de996b6ec5822f32b155fcea3d2d9fe2f49f65e55
PDF
Publication page398c18360f846c952a8f1865427a65e331b46e46df8eefd3ed3934b77233978b
Manifest8b65181f6cbd8c1d8bc342c1fa1691d5898b29a2d6da9816751b6aa6da354af9

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
SignatureDyyY62r9NlvlJKwrt29843pgh4jAgEXMcKkIyaV1/1xcZNMUg7dDoEo1uOrifNWjkNGiF6f/3GyAZQA7jMJsDQ==
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

2026-09-17T09:41:34.145139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092105
observed 398c18360f846c952a8f1865427a65e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:34.126815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092105/manifest.json
observed 8b65181f6cbd8c1d8bc342c1fa1691d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:34.109620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092105/publication.md
observed ab25660fae0604e303ec7f0de996b6ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:34.092050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092105/publication.txt
observed 71bb941e8ee7ac2edb25fc3486ea22d1...
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.