OpenTechnical

OT-2026-000104490

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, pulsed blow-off after 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-2026-000104490) never changes.

Identity and time

Publication numberOT-2026-000104490 · never reused
Internal UUID01a0aea5-3422-7185-806d-7b2e1eb30856 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104490
StatusPUBLIC

Content hashes

Canonical text8901cfda61598a06a618dae2fc74fac62d85a291d0b5dcfb12fc1b2817e3ba58
Markdown95a29eb4c3b5a388d746dad748acb698b1a9704c45e92679718b6d49c28d3860
PDF
Publication page887518f9a942694783c14791127eaa80858f9954501433c10fc669b2d993a5b8
Manifest724b6354db37d2039a7a8a5b33b76554ff4761465fe59d8790314bf9881ab6e2

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
SignatureYSYJGXMDFTOWaHElQ9xGzSPAew8Th50gPFAvoamfFfOku1erlqKOPwLskWjjAK4dWE9hOzEgLvUd55GVZhQcCQ==
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

2026-09-17T09:21:46.853295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104490
observed 887518f9a942694783c14791127eaa80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:46.835597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104490/manifest.json
observed 724b6354db37d2039a7a8a5b33b76554...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:46.818530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104490/publication.md
observed 95a29eb4c3b5a388d746dad748acb698...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:46.800592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104490/publication.txt
observed 8901cfda61598a06a618dae2fc74fac6...
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.