OpenTechnical

OT-2026-000084328

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, two stage ejector, sustained blow-off before set-down

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-2026-000084328) never changes.

Identity and time

Publication numberOT-2026-000084328 · never reused
Internal UUID01a0ae98-5b61-7dfd-983f-c95a41e5c6d0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084328
StatusPUBLIC

Content hashes

Canonical text34978c09f11b9ece53143e1f01bb3355613f144b8935645c7aaea2a6cb08679b
Markdownea8b26c3eafb6c2aa5d2861818954c70ecdc27dcb46f9b1599605680bb763b99
PDF
Publication page4688d60e52c3dd5149c81b61bc0909876443b734672ead4997b88ba529a4c4c3
Manifest6ea5060f603033ba00f69d1888cd9a5d598ecc6de0e01f1639e1d71062970d20

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
SignaturebMu9Fmz+CNW4/OBk+G1V16v2gaw+NHXeW4xBvwhXKsc3IOBa8afgVg877SQGHrMWMJXkrc2zX7wv9QMdFHKNDA==
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

2026-09-17T09:56:15.297872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084328
observed 4688d60e52c3dd5149c81b61bc090987...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:15.280622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084328/manifest.json
observed 6ea5060f603033ba00f69d1888cd9a5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:15.263417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084328/publication.md
observed ea8b26c3eafb6c2aa5d2861818954c70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:15.246769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084328/publication.txt
observed 34978c09f11b9ece53143e1f01bb3355...
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.