OpenTechnical

OT-2026-000099796

Publication integrity record

Three cup vacuum gripper, three zone face, three stage ejector, 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-2026-000099796) never changes.

Identity and time

Publication numberOT-2026-000099796 · never reused
Internal UUID01a0aea2-c978-7abe-a9ed-9a803ace9351 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099796
StatusPUBLIC

Content hashes

Canonical text5520a23a40cdce2d9ed78e28cf20f3c47348218cb41032f85535c990179a3334
Markdown676799a1c2a01e0e8d0317fcbeeee80a12e928819fd7f5ad8006d765bbe7a913
PDF
Publication pagef4e1a452e1f23de9e825581ca41118f4295cf557d5fcbcd647a9699051862a3f
Manifest02affbb00ea5ee2957495f2f1fb23d13966eb93f89cbdc6eea39a0a9447c974d

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
Signature46XLeStd3O8jrjoMWkAVQIiGoQ600+Mu0fHILNLKdlJ9CW2zCFgq/qvSim0Wcbzv/9eKenPgPndR24fkCXxeBw==
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

2026-09-17T09:29:49.990973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099796
observed f4e1a452e1f23de9e825581ca41118f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:49.975203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099796/manifest.json
observed 02affbb00ea5ee2957495f2f1fb23d13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:49.958913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099796/publication.md
observed 676799a1c2a01e0e8d0317fcbeeee80a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:49.942404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099796/publication.txt
observed 5520a23a40cdce2d9ed78e28cf20f3c4...
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.