OpenTechnical

OT-2026-000020361

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line 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-2026-000020361) never changes.

Identity and time

Publication numberOT-2026-000020361 · never reused
Internal UUID01a0ae6f-437b-749a-8206-535181f59d7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020361
StatusPUBLIC

Content hashes

Canonical textae7e0122ee2f2a3997b7b246289aa3ee821b01a1d9fd6cf808e187ec31fe5be6
Markdownaf61bd3e0275b8b408b76c7f21d43b6225e850881030e1466519fc4768fb3eec
PDF
Publication page38e6743c9e5a834896e8bde858e3851aead1648aa399b11a16eab5380215712a
Manifestcb8f4b04098f4a591a67c35e11c3e339e0a69f467e1b89f5a17b29e7876c3516

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
Signature5B95xLjsuuxt6dNkpWP0qhyZrtFwtoduufNoDsH89g3yK20oFShRZ6UpOobEI/PEQYGvsfuwwSX6YhIcbP2WAw==
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

2026-09-17T12:00:09.621479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020361
observed 38e6743c9e5a834896e8bde858e3851a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:09.602009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020361/manifest.json
observed cb8f4b04098f4a591a67c35e11c3e339...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:09.579636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020361/publication.md
observed af61bd3e0275b8b408b76c7f21d43b62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:09.556377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020361/publication.txt
observed ae7e0122ee2f2a3997b7b246289aa3ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:19.459937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020361
observed 38e6743c9e5a834896e8bde858e3851a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:19.440387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020361/manifest.json
observed cb8f4b04098f4a591a67c35e11c3e339...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:19.423352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020361/publication.md
observed af61bd3e0275b8b408b76c7f21d43b62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:19.405899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020361/publication.txt
observed ae7e0122ee2f2a3997b7b246289aa3ee...
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.