OpenTechnical

OT-2026-000081696

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented after 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-2026-000081696) never changes.

Identity and time

Publication numberOT-2026-000081696 · never reused
Internal UUID01a0ae97-0f73-7ab4-b707-a236c84b92b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081696
StatusPUBLIC

Content hashes

Canonical textae63e593ff1b336207eb7cdee2156dd5f4b192dc08a1ba6ac986e67887f26b39
Markdowncd58a1b01ebc13b34217865b090fdea92df08c9fe32100d1c6f1c19dbb2dc06b
PDF
Publication page7f0b02a42b8a7f11facc245244f3856fe5e44f2fb1fae0a224d68899618f5af8
Manifestb3afd7a97a0f77c99e4763449c2eb595a28953250338da1502a3ecf0a5bbd2cf

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
SignatureNd+P/xN3e+FJvTo7z3GG5YExoZ9/I/EKhO5kYP7bQC4lt8SUT0HQP3YhnegJjB2tM16Wh3HTxH6TnJh4YRVLCQ==
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

2026-09-17T09:59:45.769638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081696
observed 7f0b02a42b8a7f11facc245244f3856f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:45.751688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081696/manifest.json
observed b3afd7a97a0f77c99e4763449c2eb595...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:45.734450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081696/publication.md
observed cd58a1b01ebc13b34217865b090fdea9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:45.716126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081696/publication.txt
observed ae63e593ff1b336207eb7cdee2156dd5...
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.