OpenTechnical

OT-2026-000086351

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, plant vacuum fed, 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-2026-000086351) never changes.

Identity and time

Publication numberOT-2026-000086351 · never reused
Internal UUID01a0ae9a-2c96-7bad-8b2d-a83a80de06d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086351
StatusPUBLIC

Content hashes

Canonical textbd40b58cd8f0f0f5a6864343d9a83d103b0c4e47725f40121438ed2cc1992f75
Markdownc8fcbfebc370a1a52bc805402aa98c8e87b47414f5013ad5b1cc03d5994bc0d3
PDF
Publication page31ec6ed728ba682d4775cbeb8e9054b3060999893953b32a11f22bcd4a43ac06
Manifest742daec661ad65efa03ac3bbb2de9c52c66e5898f58752219b142d588c079db2

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
SignatureBA5N5nehbfQ9uztq+NKI7pdDo/i7knTx1L1fKFEm/CehOUHFO+TF08OBGCBR3THhvGU+F/oivmv9VVX9Sq7gBQ==
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

2026-09-17T09:51:54.309089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086351
observed 31ec6ed728ba682d4775cbeb8e9054b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:54.288858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086351/manifest.json
observed 742daec661ad65efa03ac3bbb2de9c52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:54.270153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086351/publication.md
observed c8fcbfebc370a1a52bc805402aa98c8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:54.252386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086351/publication.txt
observed bd40b58cd8f0f0f5a6864343d9a83d10...
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.