OpenTechnical

OT-2026-000083139

Publication integrity record

Two cup vacuum gripper, two zone face, 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-2026-000083139) never changes.

Identity and time

Publication numberOT-2026-000083139 · never reused
Internal UUID01a0ae97-c962-70d2-8614-31edaf580dc0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083139
StatusPUBLIC

Content hashes

Canonical text09ce698c85f3bb00472474ac785af98975b91f54f145595fc136a707374b8ebd
Markdown1005c3dde9109528e4d2f71dbff647e0fa92e5a8d2218ebf930887fc9756f168
PDF
Publication pagec56e71288e80364438ad224ecb41529247c87f976dd9a834453c2143207e7d90
Manifestec00997f261fa06f7cedbb0e8fc6a11bd973b31fc713d68dffe10fff9ac5600e

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
SignatureCFD+GJIynxCsNGG+z43ZmM6HG5g7y36cQShn6S0ERuSKSZInG8RG3j9pi0fZWv0ObLFswfVUBKfZe48QANCRAg==
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

2026-09-17T09:00:47.929049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083139
observed c56e71288e80364438ad224ecb415292...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:47.904892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083139/manifest.json
observed ec00997f261fa06f7cedbb0e8fc6a11b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:47.881174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083139/publication.md
observed 1005c3dde9109528e4d2f71dbff647e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:47.111471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083139/publication.txt
observed 09ce698c85f3bb00472474ac785af989...
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.