OpenTechnical

OT-2026-000071857

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, 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-2026-000071857) never changes.

Identity and time

Publication numberOT-2026-000071857 · never reused
Internal UUID01a0ae92-1e92-7b88-b565-cc42aa23fb9a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071857
StatusPUBLIC

Content hashes

Canonical texta776836442da945adf7ecaa88cba27b5e5dd92dcb7a018fb2c91a113fbeb7410
Markdown987282ed63995d64f1d90797995c46720044012b971f0f0afa8c74d2f4733941
PDF
Publication paged6793dee63592fc287594313a6ac3b92d83dbb8a7cd2641ab4bd6a89c302610d
Manifestf7abc52d98cf99f5baa9dcf264d29eb1a49fabdba2fc0cc4e3097ac9a17df74d

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
Signature85jS1h/bUjw6dM9Rmt+KlbOyzYCigGlVaPxa6JbPfUijdowhYX8a6PwUW0SuzUFq3gvdW03KCBljIRwYZiTwCA==
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

2026-09-17T10:24:02.378018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071857
observed d6793dee63592fc287594313a6ac3b92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:02.353828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071857/manifest.json
observed f7abc52d98cf99f5baa9dcf264d29eb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:02.334805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071857/publication.md
observed 987282ed63995d64f1d90797995c4672...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:02.314732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071857/publication.txt
observed a776836442da945adf7ecaa88cba27b5...
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.