OpenTechnical

OT-2026-000091394

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, single stage ejector, 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-2026-000091394) never changes.

Identity and time

Publication numberOT-2026-000091394 · never reused
Internal UUID01a0ae9c-f16d-744e-a6f5-a9b1b2d9c4e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091394
StatusPUBLIC

Content hashes

Canonical textfa1479266daa36836ce5b5f2929ba9b191218fcf3e52046009199705a1bc7a9b
Markdownc38cab12459c3e679c6b3f9231033b96c305db2ece270efb8ca764f031fdd116
PDF
Publication page8be37462c4a6e08b064888cf229a1de3215c84829d4716edd57a3f06533049c3
Manifestecf092cb1ef7c1ee8387bad730119907575bb8699e678fb7a68d3bd7a00707ce

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
Signaturedh/Cz/LVA30MtLZGixjho0f88+axJoPfuEb+vywRCzB4NJpGHNiHuMWESmHDdFaKMkrJLJFDQAm5Our1E8lQDQ==
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

2026-09-17T09:43:37.163085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091394
observed 8be37462c4a6e08b064888cf229a1de3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:37.145496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091394/manifest.json
observed ecf092cb1ef7c1ee8387bad730119907...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:37.124757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091394/publication.md
observed c38cab12459c3e679c6b3f9231033b96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:37.107051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091394/publication.txt
observed fa1479266daa36836ce5b5f2929ba9b1...
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.