OpenTechnical

OT-2026-000067962

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, pump fed, pressure sensor per zone, 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-2026-000067962) never changes.

Identity and time

Publication numberOT-2026-000067962 · never reused
Internal UUID01a0ae8f-c4fd-7a3c-ba8a-0b4e7e0858ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067962
StatusPUBLIC

Content hashes

Canonical textcf2e7461dc4f7f854ed8e1f731ca9696d7fb54342307206b2f8c12c2b33b4ffb
Markdown76da3fabcdb1892125a071682558a95ce9116d09e08d0076a74be818e74f0d08
PDF
Publication pagedf0afceeaeb7598b2580046df12db27221f0cea4daca941822d60b46ac83266e
Manifestb75f5265c016a37b48ad807d70d9d537262ed0c3aa06967c074699a610f90e37

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
SignatureE7ZFTaWtrJoyAKLpG5AeN+pJ9JfXT92vi9OAhFug0tDTFgR4wVhdTTcGya2JvIIcqbFZK+r9ZbpubK6YuEF3Bg==
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

2026-09-17T10:30:30.124823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067962
observed df0afceeaeb7598b2580046df12db272...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:30.105911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067962/manifest.json
observed b75f5265c016a37b48ad807d70d9d537...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:30.084807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067962/publication.md
observed 76da3fabcdb1892125a071682558a95c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:30.065019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067962/publication.txt
observed cf2e7461dc4f7f854ed8e1f731ca9696...
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.