OpenTechnical

OT-2026-000072370

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000072370) never changes.

Identity and time

Publication numberOT-2026-000072370 · never reused
Internal UUID01a0ae92-47c3-78ad-90ae-be16c9001c8f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072370
StatusPUBLIC

Content hashes

Canonical texte18996db34f16158bd431655cc1818a9710830abc74869f32931576d6710f495
Markdownc5fe1eb812d0775c1de347f5505b6ce9c96034de388ec78f946350fc92309bd6
PDF
Publication pageffaf421113dc714643b4144e4bcdf803b3e9475c5280c9730f3833b8116aca02
Manifestf64d628dc4c40956a148bd8f8f2e5a78143101c52526fe7ac94dcd0bb6a67ab7

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
Signaturew0rQimb3sQk4pICTl62nlKsYtMq4ZXFqggxb4Usm+B1pixpc1j6CglI3ydj5+ILkEc1Ajf7fBZp4VWcrwdCNCg==
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

2026-09-17T10:23:36.400069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072370
observed ffaf421113dc714643b4144e4bcdf803...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:36.381705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072370/manifest.json
observed f64d628dc4c40956a148bd8f8f2e5a78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:36.365387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072370/publication.md
observed c5fe1eb812d0775c1de347f5505b6ce9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:36.348647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072370/publication.txt
observed e18996db34f16158bd431655cc1818a9...
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.