OpenTechnical

OT-2026-000076642

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, vented 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-2026-000076642) never changes.

Identity and time

Publication numberOT-2026-000076642 · never reused
Internal UUID01a0ae94-b06e-7654-a79d-54e6311b6f3c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076642
StatusPUBLIC

Content hashes

Canonical textdf91242677205178fe1d9645167efdcbb8ba5911a3b0bcda930c53e3148b0395
Markdownb0584151aee876326a7cd813f36e896d0c84ad777c7b93f5f5588323c4aac0fd
PDF
Publication page7cff8f76a1ce1449e64dc322139916296b56cd8568be336375a0b77e8e7c1ca1
Manifestb200201b63eedc99113cc0bf4889115cc7b4f188ff463b6668245a4425d228b1

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
SignatureyJ/iP7T4gsPg/KfUQ28KXqXPy20V7WjILj5DqJn5Y1LVJwn4Uz2Xa76Ct1096es5wizp052Dx1GvgWB6DUGuDg==
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

2026-09-17T10:09:22.775649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076642
observed 7cff8f76a1ce1449e64dc32213991629...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:22.758081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076642/manifest.json
observed b200201b63eedc99113cc0bf4889115c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:22.739397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076642/publication.md
observed b0584151aee876326a7cd813f36e896d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:22.720685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076642/publication.txt
observed df91242677205178fe1d9645167efdcb...
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.