OpenTechnical

OT-2026-000039892

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, manifold 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-2026-000039892) never changes.

Identity and time

Publication numberOT-2026-000039892 · never reused
Internal UUID01a0ae78-d8d6-72fb-89fd-dde547bd8296 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039892
StatusPUBLIC

Content hashes

Canonical texteca995ad79353be80e994f8e10ff884b78414562c7e5bde51ba01787c4afca6d
Markdown6550fff33bf8bb433204d526e94f527c6528b657df59e30e3bba4b1555a032a2
PDF
Publication pagec16da1ff67c65a7baff9dbfbf5ae22fa1070b4389dc26b28db181af6f6b612a4
Manifestc505eb22c2acd544d763c071916273855a5771488f1723d08688e12d7103d6db

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
Signatureqeobt4BWEVaeRCd8JMwo3Y2E+ZIPbAZ1V9lS67Fr0EhfohloX/go+FAcxTDxT5+ecwsCd/uATVQhf5MIUzd5Dw==
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

2026-09-17T11:20:10.812847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039892
observed c16da1ff67c65a7baff9dbfbf5ae22fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:10.795961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039892/manifest.json
observed c505eb22c2acd544d763c07191627385...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:10.778496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039892/publication.md
observed 6550fff33bf8bb433204d526e94f527c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:10.760183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039892/publication.txt
observed eca995ad79353be80e994f8e10ff884b...
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.