OpenTechnical

OT-2026-000044501

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, sustained blow-off after set-down

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-2026-000044501) never changes.

Identity and time

Publication numberOT-2026-000044501 · never reused
Internal UUID01a0ae7c-39d8-749d-82af-b8672d29a8a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044501
StatusPUBLIC

Content hashes

Canonical textd66711dcb0af13ff7cd805097c4c9910184a2a94316012ab57911b174c65efd3
Markdown1df79c47ff6809e0c4aca261c7387eb60a61086192c76dd8b3cf341bc4985d4c
PDF
Publication page6a7a7a93fa01ed4aae78258d48719eb45abecdd903c1fad32bfd37c561f86321
Manifest2456bbfc541b85a79b18872f1aee1ab60e83184326c564de15704eeffb7cc722

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
Signaturegh9FbRCOsDNnh6d4zyu4/KgT6halRqlJ3gXXT9+qqw/WL3bAvoJhf4oozjphV6VTkFetwn7vu0oxGE1FbWVcDA==
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

2026-09-17T08:30:58.765122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044501
observed 6a7a7a93fa01ed4aae78258d48719eb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:58.744391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044501/manifest.json
observed 2456bbfc541b85a79b18872f1aee1ab6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:58.724264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044501/publication.md
observed 1df79c47ff6809e0c4aca261c7387eb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:58.583193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044501/publication.txt
observed d66711dcb0af13ff7cd805097c4c9910...
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.