OpenTechnical

OT-2026-000076860

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000076860) never changes.

Identity and time

Publication numberOT-2026-000076860 · never reused
Internal UUID01a0ae94-b070-7585-813d-c07211f1a61a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076860
StatusPUBLIC

Content hashes

Canonical text7fe17617192a2827eb1c59c635c4f5ba6c929d363a095539d7cbafa35e7ef187
Markdown2496ccf1944c5cd616568e19a362b1141208311be875172e2f25387def95b373
PDF
Publication page73613c32c19a5e438381db60d863fe71ad4941cb2210ee23fcc8643b8eba1218
Manifesta9936a76a4aa2ea511edee8fca32b377dcf59279c08ca361339b9210a1395a1e

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
SignatureQJN8tHZX0O0e6cuWmuWiK8G12a6nhV/i7BIIj8WLl6HAGyIfDBk9vDbxtLGcYwsx8qhiBNvLYYP5xs/gSn/FCA==
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

2026-09-17T10:09:45.103992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076860
observed 73613c32c19a5e438381db60d863fe71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:45.086015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076860/manifest.json
observed a9936a76a4aa2ea511edee8fca32b377...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:45.065868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076860/publication.md
observed 2496ccf1944c5cd616568e19a362b114...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:45.044827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076860/publication.txt
observed 7fe17617192a2827eb1c59c635c4f5ba...
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.