OpenTechnical

OT-2026-000070380

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, vented before set-down

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-2026-000070380) never changes.

Identity and time

Publication numberOT-2026-000070380 · never reused
Internal UUID01a0ae91-545f-70ce-b547-ba339ae75419 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070380
StatusPUBLIC

Content hashes

Canonical text255f1aaf0e9af60f666784f4818d1930b50d2bc2619638edab654567224fd97e
Markdownfb22fc9a9b581130e382cdfa885840116653f5d263ec8b133a85342d27e17248
PDF
Publication page4743b50fff8d1574882f1c8a6b6ff1539164848501fca7d63e931591c271aa23
Manifest8aebac7b693aab4c90c57c94634f7cc1fb75699beea00ea8edbcb11efa94f0ad

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
Signature7cCkW0jJLeDpXxJdm/Bme/T6w/bISYUR2Muzzlw69LHfYO0R03i4zmPCTsEySNTjoFvrN/gXPbaHKT5J4Pa6DA==
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

2026-09-17T10:26:11.120497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070380
observed 4743b50fff8d1574882f1c8a6b6ff153...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:11.100979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070380/manifest.json
observed 8aebac7b693aab4c90c57c94634f7cc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:11.082948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070380/publication.md
observed fb22fc9a9b581130e382cdfa88584011...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:11.064726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070380/publication.txt
observed 255f1aaf0e9af60f666784f4818d1930...
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.