OpenTechnical

OT-2026-000023795

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, 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-2026-000023795) never changes.

Identity and time

Publication numberOT-2026-000023795 · never reused
Internal UUID01a0ae70-aed5-7e8c-bf12-7448a19fe839 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023795
StatusPUBLIC

Content hashes

Canonical text6c23e698f589a03561c73264f6dd1f6616a8f0599cfaeba82bf94b58d675e0d2
Markdown9cfc5300aa0dcfda8d9f1f1444f4c37666b0b22a80f88cf4e3eae64e2984d0d2
PDF
Publication pagecb3ef2681ab4aa4a103e54a1bf5af94fc9f471db282917b38a696e817a5f318b
Manifest115875c9ac62bf59645d4b4612d533c1da2a37e5d1c0d19ece6ce9cc1ceb38e2

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
Signature0MKpBKVX/pz78I2k1DmFc74Jx437uMII44futgWY27nKnGNKVVkB9ToUzAdBg3Zg9ZdT3EpV0X1WncgfqOLeAw==
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

2026-09-17T11:50:16.246401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023795
observed cb3ef2681ab4aa4a103e54a1bf5af94f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:16.228583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023795/manifest.json
observed 115875c9ac62bf59645d4b4612d533c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:16.209895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023795/publication.md
observed 9cfc5300aa0dcfda8d9f1f1444f4c376...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:16.191078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023795/publication.txt
observed 6c23e698f589a03561c73264f6dd1f66...
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.