OpenTechnical

OT-2026-000041576

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, pulsed blow-off after 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-2026-000041576) never changes.

Identity and time

Publication numberOT-2026-000041576 · never reused
Internal UUID01a0ae79-e8a0-7c3b-bb11-24ab616e0714 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041576
StatusPUBLIC

Content hashes

Canonical texta4d1b9c66701671bc765e130bade85c3f2d732406064e5e416975c9576bbeb36
Markdown28acb5e3710d99a8880b3ae1f154cc6e1d7f20c355bdc82d51d82bdb3002c35c
PDF
Publication pagedce04e00de442a9401e56318906cdd5192b997e9efc70234217ee35ef4959733
Manifestce5d6f0a7c4ce462b49c2741237cf25ab61b9894e33b57e0add0875328437984

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
Signature/jWJYvebB5+mFqK30WS7uX07OTnBZplQZ1PlIvd+gRvxA5txSnmr93dSzGQARAV/GzX+d2rqur/wfiO1UxrICw==
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

2026-09-17T11:16:21.592226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041576
observed dce04e00de442a9401e56318906cdd51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:21.574308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041576/manifest.json
observed ce5d6f0a7c4ce462b49c2741237cf25a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:21.555775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041576/publication.md
observed 28acb5e3710d99a8880b3ae1f154cc6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:21.537405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041576/publication.txt
observed a4d1b9c66701671bc765e130bade85c3...
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.