OpenTechnical

OT-2026-000097847

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, supply line pressure sensor, 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-2026-000097847) never changes.

Identity and time

Publication numberOT-2026-000097847 · never reused
Internal UUID01a0aea1-92f6-76ee-b3d7-2d41d5838db7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097847
StatusPUBLIC

Content hashes

Canonical textd42007b443613a6330d58c90a86dd7a734c975a00ca13dbcd58a0f32ee696225
Markdown3c3576812d571489354d3744875f725ff146cb27a323e0e015cf67e388efa069
PDF
Publication pagebde92ab16e85c562d3149b018c4dd32e08da129909ff921ff96196c5dc53e382
Manifest4d32ae563a75cbb902de2687c6a90ec51f803df8915a4c4954c4c426048b186c

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
SignatureA1NVsDRQ2/sjkJQ+dZwpl0aMJFTJHeD+uqYWrPCLGW8Ao5WgETtKCJ5X9MVsPWreNSJN7jbVSFb8e/EB4dbFAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:32:57.079040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097847
observed bde92ab16e85c562d3149b018c4dd32e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:57.060824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097847/manifest.json
observed 4d32ae563a75cbb902de2687c6a90ec5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:57.040620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097847/publication.md
observed 3c3576812d571489354d3744875f725f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:57.021160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097847/publication.txt
observed d42007b443613a6330d58c90a86dd7a7...
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.