OpenTechnical

OT-2026-000025621

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained 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-2026-000025621) never changes.

Identity and time

Publication numberOT-2026-000025621 · never reused
Internal UUID01a0ae71-9bc9-742e-ac69-273b84f906c2 · 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-2026-000025621
StatusPUBLIC

Content hashes

Canonical textd763db514b6955506b7f2b1189da6f77e21513dfdaca278b26e5783335350545
Markdown95f1fb4577618f02b0e51c1a1a4e8071ed461dd69e14c94ed175f57b84f4a48f
PDF
Publication page3c0d86a32a9067bfd985b0eb3d4eb9aa2d3dc2bde3bd3772c6ee55ca30b6ab88
Manifest37f27ca56f73c75873179956d975c74cce673f2f94e55b105f342f7caea8b587

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
Signatureha8xBQQt22Go0S4Gjy4/kcnVqa4io/myTUffbF8Ykix8HadfK1Ja6ZSMexhAZDixFFDBqnkqhha86wY8+cC2DQ==
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

2026-09-17T11:46:48.717715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025621
observed 3c0d86a32a9067bfd985b0eb3d4eb9aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:48.700317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025621/manifest.json
observed 37f27ca56f73c75873179956d975c74c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:48.684151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025621/publication.md
observed 95f1fb4577618f02b0e51c1a1a4e8071...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:48.666902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025621/publication.txt
observed d763db514b6955506b7f2b1189da6f77...
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.