OpenTechnical

OT-2026-000088602

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, supply line pressure sensor, sustained 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-2026-000088602) never changes.

Identity and time

Publication numberOT-2026-000088602 · never reused
Internal UUID01a0ae9b-8f0f-7bd3-a1f3-7b004168da1e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088602
StatusPUBLIC

Content hashes

Canonical text6089039273cf892c92bef5ee8144a5dcdf923165036bc880df87fd0d43707c3c
Markdowne6a5d7800998451e0dffdd861e99439495837b5215f8fd07cfcbc8960aa44ba5
PDF
Publication page3b2a8fa806ceca6265fcfb0fc562b3f87f797682f6f263290af5393ba28444d8
Manifesta83abaa7301a83a77f1ffb373ec88314b0e99f96375da57cc171a08fc4c1dabf

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
SignaturebkbIFck5njCjNqpCdHDTIGa0PyGsQcFV1vHVvFCQj6wHJdU1p55/1sUmOFOGBHk3wA70iY9iilLSwRQJkN+VAw==
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

2026-09-17T09:47:48.375729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088602
observed 3b2a8fa806ceca6265fcfb0fc562b3f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:48.358153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088602/manifest.json
observed a83abaa7301a83a77f1ffb373ec88314...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:48.337831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088602/publication.md
observed e6a5d7800998451e0dffdd861e994394...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:48.319362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088602/publication.txt
observed 6089039273cf892c92bef5ee8144a5dc...
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.