OpenTechnical

OT-2026-000020673

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum 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-2026-000020673) never changes.

Identity and time

Publication numberOT-2026-000020673 · never reused
Internal UUID01a0ae6f-65e2-7fca-8f64-791cfbad3621 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020673
StatusPUBLIC

Content hashes

Canonical textc5b20d4409d82c976d3468a680fe26455ebdf5a2a4367f6c845eb6b5a4878f04
Markdown2bdd70a1a0fc5d473aa601dbf5657db559463e4a655b3b70546c05026939a9c8
PDF
Publication pagec75c5fb13e10d6d58e41989d6c2d5cadb781a05eba34d9c7bf77886851605e7b
Manifest97d3ecb4f7a72ba449227dc26ba4e47bd7563341fce60ead3264755f70d5b314

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
SignatureXXnl2Avrhu1PmOhfM0u59X7VjjlbkfFZfT12M443qRlQrlRjyp58ytolGhWu2g/lURbpJyhoSoH1CgOjvzZIDQ==
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

2026-09-17T11:55:32.452826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020673
observed c75c5fb13e10d6d58e41989d6c2d5cad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:32.433190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020673/manifest.json
observed 97d3ecb4f7a72ba449227dc26ba4e47b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:32.414188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020673/publication.md
observed 2bdd70a1a0fc5d473aa601dbf5657db5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:32.393543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020673/publication.txt
observed c5b20d4409d82c976d3468a680fe2645...
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.