OpenTechnical

OT-2026-000074061

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, manifold 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-2026-000074061) never changes.

Identity and time

Publication numberOT-2026-000074061 · never reused
Internal UUID01a0ae93-2b8f-77ca-972d-a3c905c2e7ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074061
StatusPUBLIC

Content hashes

Canonical textebf86117b0534323d65b237def0e17439019c28e8f39b21b22e106cb83173eaf
Markdown9dc3b4b2bc77469b23f45497d3a1700e06128256a79bc044a074e912b16a8a0b
PDF
Publication pagef34a9fe2def8a99193aad3b0d729d94a41ae716e2005845908d21a505fb19454
Manifest9793c6c8f6228a89478055a9c958d87e5772f67cef932b608a0b6e046da5ed9f

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
SignatureCG39wS6zBBHIHlDPVVLmbzl52AcBk0haw8E8WljApK4gCl7DO6qByMILr+eQzC0kxRmRiixtcJAI9AnXdeMjBg==
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

2026-09-17T10:20:23.395380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074061
observed f34a9fe2def8a99193aad3b0d729d94a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:23.377821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074061/manifest.json
observed 9793c6c8f6228a89478055a9c958d87e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:23.361244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074061/publication.md
observed 9dc3b4b2bc77469b23f45497d3a1700e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:23.346466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074061/publication.txt
observed ebf86117b0534323d65b237def0e1743...
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.