OpenTechnical

OT-2026-000011052

Publication integrity record

Single cup vacuum gripper, single stage ejector, vented after 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-2026-000011052) never changes.

Identity and time

Publication numberOT-2026-000011052 · never reused
Internal UUID01a0ae6c-540e-7c3e-9d7b-445dc2845fd5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011052
StatusPUBLIC

Content hashes

Canonical texte5f9ab0b12fbddab77cf594f90361feecbcf4bc12743e1c7a855beb581d35ef1
Markdown5f06574283700813e7c9ebd9b779efc9d4ec2a871c42a91a5b16e9d32174b779
PDF
Publication page6b172797b8d662fccf2498f2e42dd09da4543edae2a2de82d138ab1b43323f18
Manifest9c819860ab5eea7aec567a0ff99448bfbda373a8c2210a0495ff5f8d804d6a87

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
Signature00Ickb1bZ/Dhq/BJQaMU5M2U99O94KI/t+ifTO+da20Mbh4GRs0XNGYvMZIMrJQoNwEnqhUfpVPnWIwKJWCqCg==
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

2026-09-17T12:13:31.199182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011052
observed 6b172797b8d662fccf2498f2e42dd09d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:31.182913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011052/manifest.json
observed 9c819860ab5eea7aec567a0ff99448bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:31.163522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011052/publication.md
observed 5f06574283700813e7c9ebd9b779efc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:31.118164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011052/publication.txt
observed e5f9ab0b12fbddab77cf594f90361fee...
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.