OpenTechnical

OT-2026-000095211

Publication integrity record

Four bellows cup vacuum gripper, four zone face, plant vacuum fed, pressure sensor per zone, 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-2026-000095211) never changes.

Identity and time

Publication numberOT-2026-000095211 · never reused
Internal UUID01a0ae9f-8f70-7319-a0fb-d7da57db766b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095211
StatusPUBLIC

Content hashes

Canonical textffa04f2700ce7c2e0cd2a6e4f4832ed3bfaa4f8b2263f789ba4852d5da2d3855
Markdown9ad591c51f9f1a6a2c3239d3b143bf007fa0396f90512471f61b4aa7c733a506
PDF
Publication pagedc5025d23ede8fa7cf31124848e2bf8facd0e5dd89e7471f06e095759011d7d1
Manifest37d33d81b716f1096c5019cecdcd978eb12e0cfa001410e58b8e0b02e7001854

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
SignatureTmijy/mp5xdUsNEL/3BM9J2KCLcUoHAoo/5GUgQEJGgsrJmMEN4/wySATotKrCqd/W6q6qIpklkQeoLjwO0XBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:31.777381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095211
observed dc5025d23ede8fa7cf31124848e2bf8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:31.760069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095211/manifest.json
observed 37d33d81b716f1096c5019cecdcd978e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:31.743094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095211/publication.md
observed 9ad591c51f9f1a6a2c3239d3b143bf00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:31.724740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095211/publication.txt
observed ffa04f2700ce7c2e0cd2a6e4f4832ed3...
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.