OpenTechnical

OT-2026-000098475

Publication integrity record

Foam pad vacuum gripper, two zone face, six 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-2026-000098475) never changes.

Identity and time

Publication numberOT-2026-000098475 · never reused
Internal UUID01a0aea1-e966-7ab5-834b-463f4e475b2c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098475
StatusPUBLIC

Content hashes

Canonical text607c1991cb711e9530c7b5c886b17eb30da929ef75e531e2f97b6840747aea0f
Markdowneef245c70628184c5a8795a8d5920651a3c3b9479cc3348c9c51061c53dc5aaa
PDF
Publication pagee46162dc93afffb948cb12183f8effb2f3f0bb7bc4d1a0888faa7004b9483b03
Manifest09b6a3b36bbd681fa09722489a4f75ab849e2c933eb08a81bd2cdc36dfd44e20

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
SignatureWLmHMk9sCPpgzSKmmPEGU8b9jYbqxPL3OzFCjQq3VC2kx5f8I5GOhICh8lQn2n9iiRqJDEsBoTL306dZ3sGsCQ==
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

2026-09-17T09:32:20.418338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098475
observed e46162dc93afffb948cb12183f8effb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:20.402040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098475/manifest.json
observed 09b6a3b36bbd681fa09722489a4f75ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:20.386441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098475/publication.md
observed eef245c70628184c5a8795a8d5920651...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:20.368438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098475/publication.txt
observed 607c1991cb711e9530c7b5c886b17eb3...
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.