OpenTechnical

OT-2026-000076696

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000076696) never changes.

Identity and time

Publication numberOT-2026-000076696 · never reused
Internal UUID01a0ae94-b06f-77f0-a741-4c66c2e17d45 · 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-2026-000076696
StatusPUBLIC

Content hashes

Canonical text9889881a88e87a11a505ac54b11b5a12296f14373e950c37585b2e0e0dad2452
Markdown771a3609fa04c9971fadc945486530faa37fab8020ee10bd3e5c65dc258ce9bb
PDF
Publication page226a78518b28f35c99b40f5c22adfdb72b9495f48ad29b9c43438f82feedbba7
Manifest5bb7f4020ade810f534e4bb55646fc6f507ceedcb6aa9dadcfcc2aee875c25da

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
SignatureQgRn8l0fqKh4NpBC4sGPPyDsrscHXw6tki2nU8Ucp2lTORlN8I9hDBpxICd2HgQophHHur6rgG5KKQd2B/++Bg==
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

2026-09-17T10:09:27.467226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076696
observed 226a78518b28f35c99b40f5c22adfdb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:27.443477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076696/manifest.json
observed 5bb7f4020ade810f534e4bb55646fc6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:27.423661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076696/publication.md
observed 771a3609fa04c9971fadc945486530fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:27.298578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076696/publication.txt
observed 9889881a88e87a11a505ac54b11b5a12...
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.