OpenTechnical

OT-2026-000063872

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000063872) never changes.

Identity and time

Publication numberOT-2026-000063872 · never reused
Internal UUID01a0ae8d-53bb-7a88-9d08-37e709fa6985 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063872
StatusPUBLIC

Content hashes

Canonical textc2662cb7c11a8fd207f10674f6a316ebcf4788a53d4f21126bff48fdc71263b2
Markdownc5ea14fef0b447ff28e7da249984344e44c913539625db2998691ea6ab0ee3a1
PDF
Publication pageb1ee07ca09ccafdfb5805d499dc1c14c285d728f46132b17a9bf8138fc530c2e
Manifestb95f6d17cff095bc7c12c72faf0077a2724292333cc3fd5094c7d1e5708fe330

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
SignatureVHc61PlLvycU3czSO3eiUIMR+OLpWxCZTr4GhKCMtE7LVe2US4tmdis61lisxdTV7R8OqZ8ii7HQCDieytMeBw==
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

2026-09-17T10:36:54.692059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063872
observed b1ee07ca09ccafdfb5805d499dc1c14c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:54.675087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063872/manifest.json
observed b95f6d17cff095bc7c12c72faf0077a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:54.657840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063872/publication.md
observed c5ea14fef0b447ff28e7da249984344e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:54.641129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063872/publication.txt
observed c2662cb7c11a8fd207f10674f6a316eb...
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.