OpenTechnical

OT-2026-000013898

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single 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-2026-000013898) never changes.

Identity and time

Publication numberOT-2026-000013898 · never reused
Internal UUID01a0ae6d-8dea-7cb1-8418-70ca9ff24398 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013898
StatusPUBLIC

Content hashes

Canonical text0a005939cde3df1591fd4af9b2641f8d0e7fccb6fa78f6907d18fd416f533dc8
Markdowncf649bb04a9e6fe80626929064533cffadc13fcfc17fb2b9f50dc5030c65c572
PDF
Publication page3970e1d0fd96a672961bbc270c59ca3937c57d4f3bff1fe7fc3741a935506134
Manifest1e977395295c9261b1a4b2dadaa89611ac88246341218b5be652e2d2d6f6d641

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
SignatureosiPwOCyS5Bh2oEV5mKRFHSjGINHNaY5EzyaxSr/yxCCzkUbLdvqhHm3bWmNhC2BR7PFkSxWKPkPimui5SEaDQ==
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

2026-09-17T12:09:01.427210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013898
observed 3970e1d0fd96a672961bbc270c59ca39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:01.408402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013898/manifest.json
observed 1e977395295c9261b1a4b2dadaa89611...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:01.389700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013898/publication.md
observed cf649bb04a9e6fe80626929064533cff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:01.369297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013898/publication.txt
observed 0a005939cde3df1591fd4af9b2641f8d...
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.