OpenTechnical

OT-2026-000050755

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, pump fed, pressure sensor per zone, 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-2026-000050755) never changes.

Identity and time

Publication numberOT-2026-000050755 · never reused
Internal UUID01a0ae82-c7b1-705c-b628-196e5cd426b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050755
StatusPUBLIC

Content hashes

Canonical text47664b7d9070c5a5f92c7c4b377591e0253b68fedb075e1ab003cbf403d6a589
Markdown16d9b983c628c7a3dd1cc1d9e2f9dc33549c85c66c646d51df7a57283655cc48
PDF
Publication pagef16f68fa34afde58e2deac04a09591347b2f28c294fe6673c85bdd19dd0ec9ed
Manifestdc590e5eb10bad9ce058d7a49ae57fdd2803eaabc5448d2eae5594fa9e1bed2c

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
Signature1IayGfY+u0vQ7HVTe/u3sRx8HCHOZISK6xsNQZIK9rHCo/WFV694h001qUPu3WFuNdpB7DKRLWVlUJ3G/0qmBg==
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

2026-09-17T11:00:08.460045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050755
observed f16f68fa34afde58e2deac04a0959134...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:08.429812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050755/manifest.json
observed dc590e5eb10bad9ce058d7a49ae57fdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:08.425227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050755
observed f16f68fa34afde58e2deac04a0959134...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:08.403004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050755/publication.md
observed 16d9b983c628c7a3dd1cc1d9e2f9dc33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:08.401528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050755/manifest.json
observed dc590e5eb10bad9ce058d7a49ae57fdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:08.378958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050755/publication.md
observed 16d9b983c628c7a3dd1cc1d9e2f9dc33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:08.376820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050755/publication.txt
observed 47664b7d9070c5a5f92c7c4b377591e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:08.353593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050755/publication.txt
observed 47664b7d9070c5a5f92c7c4b377591e0...
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.