OpenTechnical

OT-2026-000082698

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented after 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-2026-000082698) never changes.

Identity and time

Publication numberOT-2026-000082698 · never reused
Internal UUID01a0ae97-8cc8-7e75-96f1-f4507b30e195 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082698
StatusPUBLIC

Content hashes

Canonical text764188471f4c858f9c4668979be9a29b815084ee20c3a7d13aa7568fe006f410
Markdownb6171f0aec8a5316ad4a2e36be7ca4c8f26a8a2360e352988b0fcc31de842796
PDF
Publication pageea8e2669858908ffb8d669e4dc1cb23b6011359fb63534751cc83c900d7227fa
Manifest09e27ed52ae48448284d4fa1931c9fdeffab0423f9305a6f269f4487961f5512

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
SignaturewjYe9Ja5fsrHOI+7DoRJ5M+yaSQmuEzfyINIuTOezZBOOjbo/NBsF3PUxXH7m4Yadrr8s97EJyC6x9dDImawCQ==
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

2026-09-17T09:58:16.274523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082698
observed ea8e2669858908ffb8d669e4dc1cb23b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:16.255885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082698/manifest.json
observed 09e27ed52ae48448284d4fa1931c9fde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:16.240443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082698/publication.md
observed b6171f0aec8a5316ad4a2e36be7ca4c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:16.224534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082698/publication.txt
observed 764188471f4c858f9c4668979be9a29b...
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.