OpenTechnical

OT-2026-000073468

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000073468) never changes.

Identity and time

Publication numberOT-2026-000073468 · never reused
Internal UUID01a0ae92-efb8-7553-b60b-6b256313ea33 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073468
StatusPUBLIC

Content hashes

Canonical texta80c1434a72e9c8747d59af091343c22e72c31a9efae553838fc6c69492edf57
Markdown93a838ec369f6b7be1d2b461370a87ad49db14033b029e6ee236e30bf06cb3ab
PDF
Publication pagee2c8140f227535a2291b3da647c87bf8a5699074842d3dae1053b7c858bd9b70
Manifest6e000761dafb39ba1846b531657ac33f0bac7dbf6487dff6e58a830308e1a98a

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
SignaturefXJjaD5DJj79mx1pCLkhjeivIrOFwzLVaN/b+tcKp3/Gg7juHYBYYpTJaa32+r21u+ib6cw9+9iTM5tVkjYFBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:21:01.424559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073468
observed e2c8140f227535a2291b3da647c87bf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:01.404856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073468/manifest.json
observed 6e000761dafb39ba1846b531657ac33f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:01.385152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073468/publication.md
observed 93a838ec369f6b7be1d2b461370a87ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:01.356767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073468/publication.txt
observed a80c1434a72e9c8747d59af091343c22...
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.