OpenTechnical

OT-2026-000072984

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000072984) never changes.

Identity and time

Publication numberOT-2026-000072984 · never reused
Internal UUID01a0ae92-c815-7a48-a8df-731b03f23099 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072984
StatusPUBLIC

Content hashes

Canonical textee0e6688691adc8fd9d8bb90d3b20d92e7aa056dd2bced308aef536d96af3f88
Markdown7464cb9ce3987c446c1e312ae66da469f3f32d677dcf1c252f9919c41535e3a9
PDF
Publication pageef42092bc64969dc69350d1d97741d395aaff761b18c79ff0fbcd4c632756fe9
Manifest305d4c97a8b52f6c91fe1264cabcee8903377113c1c24c1dd45ed97440ad7238

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
Signaturemf3bNupCqRwJTUS9zt66WXcdLS3fDntFRKf5VjS7kf5VcBVQRQhWwJYPbHcAE23wdoiNXobEqd+VBICfiqqGAQ==
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

2026-09-17T10:21:54.876251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072984
observed ef42092bc64969dc69350d1d97741d39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:54.859259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072984/manifest.json
observed 305d4c97a8b52f6c91fe1264cabcee89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:54.840245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072984/publication.md
observed 7464cb9ce3987c446c1e312ae66da469...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:54.823493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072984/publication.txt
observed ee0e6688691adc8fd9d8bb90d3b20d92...
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.