OpenTechnical

OT-2026-000104389

Publication integrity record

Foam pad vacuum gripper, two zone face, two 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-2026-000104389) never changes.

Identity and time

Publication numberOT-2026-000104389 · never reused
Internal UUID01a0aea5-3421-7945-8533-fbf75b01553a · 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-2026-000104389
StatusPUBLIC

Content hashes

Canonical text1b102ce6f3d467bf6dd8230b32cd0e7cca29b2732ec7dca35bb3f1b86fb32c9d
Markdown0f3752db4a39995763a48150ee618a2fe9405d0ca676c04a3e521be861ea61dd
PDF
Publication pageb46b6a725cee2809979a6b0b1c671a1e3c20305c62bc96f5536d44ae3822b82e
Manifest20948bb51db053cf5ccc07a7ccd03ac46c7f4d7e428cb624285db7d337c823c6

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
SignatureTC1dzGw9AMPzCeMoFrgNr/PmwD1MOpaW3yPc+EasgHxjgy0dJGJ797Zl5Ywattgc4mn6FD8Tz9xICUfnf6tzBg==
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

2026-09-17T09:21:39.336194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104389
observed b46b6a725cee2809979a6b0b1c671a1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:39.319437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104389/manifest.json
observed 20948bb51db053cf5ccc07a7ccd03ac4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:39.295336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104389/publication.md
observed 0f3752db4a39995763a48150ee618a2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:39.267117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104389/publication.txt
observed 1b102ce6f3d467bf6dd8230b32cd0e7c...
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.