OpenTechnical

OT-2026-000044919

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, pump fed, manifold pressure sensor, 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-2026-000044919) never changes.

Identity and time

Publication numberOT-2026-000044919 · never reused
Internal UUID01a0ae7c-911c-721a-bd32-a9a36300b84a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044919
StatusPUBLIC

Content hashes

Canonical textcb842f6985ea20505c002c003e0373f7e5c00fb31755d496f6f8d1944aa67d7c
Markdownfe359332d1ade458a32ce8a8e0db0a1c78d8c0f97e82f34e622d579b9124337f
PDF
Publication pagee7264d65748b5fbb3bdef110b2dcca2337d9c5a0a88785373eceba6a3a6d3ef6
Manifest8de8e9c4e7c435e076c6f9473f527bb6dbaa129506a93131374dfc358a059fc0

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
SignaturesN1EWgNDJ6L8NAln7OMzdY0D9HSP76f3Q0JcW+oDAlWqoVUXDT6VcTi7N5gKpqbR1uWw5a+6wG4bckQftVa5DA==
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

2026-09-17T11:11:35.450174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044919
observed e7264d65748b5fbb3bdef110b2dcca23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:35.432531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044919/manifest.json
observed 8de8e9c4e7c435e076c6f9473f527bb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:35.412569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044919/publication.md
observed fe359332d1ade458a32ce8a8e0db0a1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:35.393440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044919/publication.txt
observed cb842f6985ea20505c002c003e0373f7...
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.