OpenTechnical

OT-2026-000020442

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000020442) never changes.

Identity and time

Publication numberOT-2026-000020442 · never reused
Internal UUID01a0ae6f-437b-7f34-ad8c-2230b67d0e17 · 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-2026-000020442
StatusPUBLIC

Content hashes

Canonical text6a40d36af57556c1d91f04db9e1558e5472d2fdd7caba5925435b3e15e9ed848
Markdown1a4f1c4cdd113a809d5851ca0c56de02b84815127e38ecc8c5627fb559e4292c
PDF
Publication pageaca5f05dd0a0bc16dc28992d446e9a9c6b46a447c38825c05011933d46971d31
Manifest3dccc60684e43fd82ad07c4cdbb6331ec734efecb49b5dad3d89f7a29f049799

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
SignaturerUyetIlTYo30717z/4kMiNJl+QSx+617MJZGZ/0E6yOYqsJrCjkaIWVa4yaaMIgEVClQGupXFMBcjmGo6Cf2DQ==
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

2026-09-17T12:00:21.891777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020442
observed aca5f05dd0a0bc16dc28992d446e9a9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:21.869089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020442/manifest.json
observed 3dccc60684e43fd82ad07c4cdbb6331e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:21.847072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020442/publication.md
observed 1a4f1c4cdd113a809d5851ca0c56de02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:21.828733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020442/publication.txt
observed 6a40d36af57556c1d91f04db9e1558e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:25.632124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020442
observed aca5f05dd0a0bc16dc28992d446e9a9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:25.615224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020442/manifest.json
observed 3dccc60684e43fd82ad07c4cdbb6331e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:25.598190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020442/publication.md
observed 1a4f1c4cdd113a809d5851ca0c56de02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:25.577039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020442/publication.txt
observed 6a40d36af57556c1d91f04db9e1558e5...
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.