OpenTechnical

OT-2026-000103613

Publication integrity record

Foam pad vacuum gripper, four zone face, two stage ejector, 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-2026-000103613) never changes.

Identity and time

Publication numberOT-2026-000103613 · never reused
Internal UUID01a0aea4-e461-794d-9538-8cd84eeec199 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103613
StatusPUBLIC

Content hashes

Canonical text0cf0a76c7c90d2f02bc6e293ad1aaf81fc4e6229130581957d9d8a947eb66105
Markdown0c12f2d004646b8d149097745836fcce26998382039118243d243d8f594fe081
PDF
Publication page1b9800eaa3f5634f78dfd7f80b1c3da3ce6ddac847001b0d4729c041f39a9a9e
Manifestfd87e04060520d2c99ab523a4bdb54491fb22e080582147fc691625e59c8e282

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
SignatureIhO7MfNXdup0UfCUSyRijrXcZHNlHWS/TSaTj69eq1d4tlEGpSOq4hm2TtdRAn27exoBUMaldvCZEbGCt4e6Dg==
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

2026-09-17T09:22:24.276641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103613
observed 1b9800eaa3f5634f78dfd7f80b1c3da3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:24.259775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103613/manifest.json
observed fd87e04060520d2c99ab523a4bdb5449...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:24.242815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103613/publication.md
observed 0c12f2d004646b8d149097745836fcce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:24.225565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103613/publication.txt
observed 0cf0a76c7c90d2f02bc6e293ad1aaf81...
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.