OpenTechnical

OT-2026-000067544

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000067544) never changes.

Identity and time

Publication numberOT-2026-000067544 · never reused
Internal UUID01a0ae8f-6bda-7727-a733-661bfc99cb0b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067544
StatusPUBLIC

Content hashes

Canonical textc806dbb5fb08d6e7ffe4052e28b94f94c847c9790f1b5f91e3fab90f6f56c082
Markdowneaed1d72735c3c09e512f054fe01db4243f8dea3a622841ff53be69f4e66baa0
PDF
Publication page55934785f1c84d35a7091822d66e26b23b77be596552c59ca0bd813c7d1316f1
Manifest7dcdcde2b99e0ef87d7804db896c1bf2bb008ab49d3524fa70650634886e87ef

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
SignatureqAbzjla6sZOL7eeJP6wC0MivwoX+fgCEuyIC0uGvslKJha9UyLg2EXyl0po7d3ZzpM/g3aIKG9n7ahD2W8dYCg==
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

2026-09-17T10:31:50.991398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067544
observed 55934785f1c84d35a7091822d66e26b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:50.973336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067544/manifest.json
observed 7dcdcde2b99e0ef87d7804db896c1bf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:50.938794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067544/publication.md
observed eaed1d72735c3c09e512f054fe01db42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:50.904706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067544/publication.txt
observed c806dbb5fb08d6e7ffe4052e28b94f94...
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.