OpenTechnical

OT-2026-000097814

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000097814) never changes.

Identity and time

Publication numberOT-2026-000097814 · never reused
Internal UUID01a0aea1-92f6-789a-9837-9fb049d505a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097814
StatusPUBLIC

Content hashes

Canonical textc3443e7ad2c657c7b7f43e703a55b415100b295dcb8c6a8d4306464a514656e3
Markdown1f7483dec848f497bf3a589ad2853d7108fd105bfa51a6a785607ea357ca7320
PDF
Publication page5261fcca963bc71dc9430578de74d89dea51d4a5d8af26c83fb50f3a469b02b9
Manifest37ce0b3eeab9fbfc271b184f59fb52fec42fd2b8b293431c97794a0b39002f01

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
Signature16TIQcqcgqdeggO+MSz4yvC5fkMjfgepwJjMdjQI6M1+l8D1lAnwedEBsbtluTYoKljCWLfBBigCuU9xeNkxBw==
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

2026-09-17T09:32:54.230892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097814
observed 5261fcca963bc71dc9430578de74d89d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:54.210442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097814/manifest.json
observed 37ce0b3eeab9fbfc271b184f59fb52fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:54.190026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097814/publication.md
observed 1f7483dec848f497bf3a589ad2853d71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:54.171400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097814/publication.txt
observed c3443e7ad2c657c7b7f43e703a55b415...
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.