OpenTechnical

OT-2026-000025612

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold 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-2026-000025612) never changes.

Identity and time

Publication numberOT-2026-000025612 · never reused
Internal UUID01a0ae71-9bc9-7bb1-acef-1b71516f0d4c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:56.183170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025612
StatusPUBLIC

Content hashes

Canonical textecddd13ee0ff424b5806b1f0fd7b95fb0f8732215df7f530b040505ac6ba130b
Markdownb7a94474ad4293fd580f977f08cd3d163ef3e0df97811e0153e1c0ad7561e0f6
PDF
Publication page8e94b6529bb4c4b0aa4bb470348ff15521e1eae624580f0d68ee298c1bb01c89
Manifest4affb77a6cdbcc5d2fefb2f3510fed47dbe1df899fb31862dd76ad2ade65ecdf

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
Signatureso5Rnn3SQwt+/2kwEF5QVOn8L82lG6DM/PF9NomhrFaakppRNvvCe7XUJtyKzzD6n7Mdb1Ldu1uFGBXKB3BUCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:46:47.992653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025612
observed 8e94b6529bb4c4b0aa4bb470348ff155...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:47.975377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025612/manifest.json
observed 4affb77a6cdbcc5d2fefb2f3510fed47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:47.957322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025612/publication.md
observed b7a94474ad4293fd580f977f08cd3d16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:47.941865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025612/publication.txt
observed ecddd13ee0ff424b5806b1f0fd7b95fb...
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.