OpenTechnical

OT-2026-000078568

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, vented after 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-2026-000078568) never changes.

Identity and time

Publication numberOT-2026-000078568 · never reused
Internal UUID01a0ae95-7c29-74b9-8903-f1d8320ad174 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078568
StatusPUBLIC

Content hashes

Canonical textfbf79a47edb857331231462472a98c6cee50be10a31df9d2fa424a4522859771
Markdownf2f4a826bc92f1e9039abc9ae96cf8928abd09dee6585361bd13d3014b0b21f9
PDF
Publication page123548f1711b9ff18c53c997408c6a3050c8714ceb7b12a37929e51273602d24
Manifest21c442835dd052c20c9975b4fea7fb68223726656d2f590bbd198cd4ea37d34d

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
Signaturer5hsG0LNJah8k7tTfed0+BJrmHCQGprJVWkt3G7G2QL3v9vFY3EvWZN3Psg+Q6bzYtWAHm3XZ2UqQcZwFZ3uBg==
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

2026-09-17T10:06:04.216810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078568
observed 123548f1711b9ff18c53c997408c6a30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:04.199659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078568/manifest.json
observed 21c442835dd052c20c9975b4fea7fb68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:04.183806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078568/publication.md
observed f2f4a826bc92f1e9039abc9ae96cf892...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:04.166802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078568/publication.txt
observed fbf79a47edb857331231462472a98c6c...
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.