OpenTechnical

OT-2026-000070850

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump 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-2026-000070850) never changes.

Identity and time

Publication numberOT-2026-000070850 · never reused
Internal UUID01a0ae91-8c2d-7b46-992f-a5218a010503 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070850
StatusPUBLIC

Content hashes

Canonical textc0a95803d3ac67b025008ff26710939b085393ade8bd31b36133c4520fb593ad
Markdownaef88c85823474bc2b58b94772e26632cfa7b8dc994d4a85b2fa0214b6221edd
PDF
Publication page61514ef7271fbfa2a2890cf2ed48ade4ffc4ba4f14e880b90d9f9c8055ba3c2a
Manifestb9a943edef78dd4ca4d82e625b1a3a1685e044efba9c8a21b2a098d127138e17

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
SignaturecFzAPSzNL5P3w2PHcTq4J8KntBX3651T4RJHmc4N2Iuy5kUs6nrrVJtsSKJepIAYmmb/OO9gkhDJXCDc93nPDQ==
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

2026-09-17T10:25:40.123941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070850
observed 61514ef7271fbfa2a2890cf2ed48ade4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:40.106486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070850/manifest.json
observed b9a943edef78dd4ca4d82e625b1a3a16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:40.089481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070850/publication.md
observed aef88c85823474bc2b58b94772e26632...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:40.071764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070850/publication.txt
observed c0a95803d3ac67b025008ff26710939b...
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.