OpenTechnical

OT-2026-000023663

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, pump fed, 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-2026-000023663) never changes.

Identity and time

Publication numberOT-2026-000023663 · never reused
Internal UUID01a0ae70-aed4-7385-8a08-fb33cbb52fb6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023663
StatusPUBLIC

Content hashes

Canonical text543b9d0d4c23d60103b297990f8e026a0efb3307ff4539a7ee47f0bbce8caf59
Markdown59c1a047dbc7ff501099bd14c77f2ccaff4989a40804b30d0b75b5d837a45426
PDF
Publication page1833022eb32776a5a12fd0c086ea447a4b27ade9734921ab1831d265dabc9b8e
Manifest2bf9d4101320d68d1610b605aa7f3e50e9e527dc9b8e0b845a873fff496ace77

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
SignaturepIP7jqmtahh4Yl/0gWtbw8ziIgAbqh6NZi5G9n6fHuqwxOeM3GQsrzrsRjZ0/bEVdN8HjBwfKr3bTRxWVHN3Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:49:58.849108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023663
observed 1833022eb32776a5a12fd0c086ea447a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:58.829917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023663/manifest.json
observed 2bf9d4101320d68d1610b605aa7f3e50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:58.811887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023663/publication.md
observed 59c1a047dbc7ff501099bd14c77f2cca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:58.792571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023663/publication.txt
observed 543b9d0d4c23d60103b297990f8e026a...
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.