OpenTechnical

OT-2026-000071995

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000071995) never changes.

Identity and time

Publication numberOT-2026-000071995 · never reused
Internal UUID01a0ae92-47c0-79f5-b691-b78cf61a091a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071995
StatusPUBLIC

Content hashes

Canonical texte2a4dee07aa69f3e3a8baefbaa1cbdcb61a14525f8f29855e66cadb855b2a6b6
Markdownb843a2a92d6bcad8a8e684fddf74e0a4e3cc842e7db810a93159738f27d246ca
PDF
Publication page5320330d463916d499b058059a01683bf22a18551abafdb90ddd0dde2545056b
Manifestc7c58aa80fc6da392954aad06b52d0e25c91e862f5119e5c9b06e4c5766d7033

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
SignatureUk2KSRr4YrB5UUAgmA7A5ndGd/zAQ4Elv2xgN3B0kxIQOaexofPwKaK11T46Zb5qVhJlG03hhzQAFfnJKSplAA==
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

2026-09-17T10:23:03.283194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071995
observed 5320330d463916d499b058059a01683b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:03.265653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071995/manifest.json
observed c7c58aa80fc6da392954aad06b52d0e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:03.249162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071995/publication.md
observed b843a2a92d6bcad8a8e684fddf74e0a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:03.229710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071995/publication.txt
observed e2a4dee07aa69f3e3a8baefbaa1cbdcb...
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.