OpenTechnical

OT-2026-000084803

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, sustained 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-2026-000084803) never changes.

Identity and time

Publication numberOT-2026-000084803 · never reused
Internal UUID01a0ae99-43b3-7825-9bdf-30c1635c4361 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084803
StatusPUBLIC

Content hashes

Canonical text9736c31b4d411d9b387d3a4539bdf68e45a060c4ce12e3684a4b5b6d915644c5
Markdown372c26f7b0ad9a55daa8eadc1918065f79c0d0615736b3e2a99bd551fd44d3bd
PDF
Publication pagef8b6500c8a16029105d8b0459c5ed0052a1d96f51c4e37c3b6bcd995467b505c
Manifest97ba6df3b0e96d1ffac663c0a4e2778eb6b47bdbd4ae9afe2feacade57d3f2ee

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
SignatureUrpwI07r7pluD0mcMjy2+z31XlUVNfDjMnafIlJdrXsgrlE7F0boRuv1qXbjqgXmfiRQ6HoJE7Lxqwyl7dIZBw==
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

2026-09-17T09:54:44.915656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084803
observed f8b6500c8a16029105d8b0459c5ed005...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:44.899011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084803/manifest.json
observed 97ba6df3b0e96d1ffac663c0a4e2778e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:44.882029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084803/publication.md
observed 372c26f7b0ad9a55daa8eadc1918065f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:44.864654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084803/publication.txt
observed 9736c31b4d411d9b387d3a4539bdf68e...
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.