OpenTechnical

OT-2026-000072333

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, supply line pressure sensor, pulsed 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-2026-000072333) never changes.

Identity and time

Publication numberOT-2026-000072333 · never reused
Internal UUID01a0ae92-47c3-7ff6-a251-a3c241762172 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072333
StatusPUBLIC

Content hashes

Canonical text64a13e3de3ec3dd0ab6496971cc14a48d1aff60f1476bd5668902b3434f09a36
Markdowncb187f98fae298623a2ca403411e94fb116d80a3b317428003ceb4e2e9c4bdcb
PDF
Publication page41b354884e17fe9098474b341618f6d61f5ce70a2652a0b4416445f9bf30952b
Manifest8635138c7f3d178706522571ef8ce7182a0fb4e79666667c753e9e2daa4b7a70

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
SignatureJMLXH6oOzpTGOM73sppWb3w97ADaiAuYwhTUNU0GFZBn5Mb5nISEIWE8qbzMbEXWrVMc9KzYq9IKeKFOyBe8CA==
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

2026-09-17T10:23:33.744490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072333
observed 41b354884e17fe9098474b341618f6d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:33.727790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072333/manifest.json
observed 8635138c7f3d178706522571ef8ce718...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:33.710478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072333/publication.md
observed cb187f98fae298623a2ca403411e94fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:33.693771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072333/publication.txt
observed 64a13e3de3ec3dd0ab6496971cc14a48...
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.