OpenTechnical

OT-2026-000092081

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, 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-2026-000092081) never changes.

Identity and time

Publication numberOT-2026-000092081 · never reused
Internal UUID01a0ae9d-43bc-7ad5-a053-90b67da95010 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092081
StatusPUBLIC

Content hashes

Canonical text626f6bbce28c7892d5f09a2674566d13b4c844b62d55159bda4521d8512b8a13
Markdowne0c8e22d31e343d5e2c4c20b0a53d9c9efdf16eb03a37ef6c13899b3af70d9a8
PDF
Publication page1c5233c2079192bd1db7e00376ef49939d44e348d5f8505416eccf43d3189a68
Manifest30b822b82fd7440619714965e09301d255234f07cb7a5b30080397d1680b07e5

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
SignaturePKUyRRvDAPTUGXkse9AxPE7ynBInLMPd9VlykFKcO2Ce/hIbyDYwhoeQZTaOfl26TmYjuW46CRQQpOX4O0PNAA==
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

2026-09-17T09:43:11.204560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092081
observed 1c5233c2079192bd1db7e00376ef4993...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:11.188393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092081/manifest.json
observed 30b822b82fd7440619714965e09301d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:11.169279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092081/publication.md
observed e0c8e22d31e343d5e2c4c20b0a53d9c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:11.152418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092081/publication.txt
observed 626f6bbce28c7892d5f09a2674566d13...
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.