OpenTechnical

OT-2026-000071433

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single stage ejector, supply line pressure sensor, pulsed 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-2026-000071433) never changes.

Identity and time

Publication numberOT-2026-000071433 · never reused
Internal UUID01a0ae91-e0ed-78d9-ac2c-250d0a8ad246 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071433
StatusPUBLIC

Content hashes

Canonical texte479dd9366512ddbab18d3d4848af43ebaf922edc6c6cfc69218e38584f93a53
Markdown2a99a1dfc38bb5bb489621c23ea6fd9b333a90922cf9308cef615d0196f52482
PDF
Publication page3ef2ac835020ae99a9b55e081b1e7f20ff220e64929232c2379d5711e1bbaeb1
Manifest850d79da97ee9f046798cfb2030d98aee4858d3505a731781c0707fec977acb1

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
SignatureCS0WxeX4lAaV6uzgcXni7it0wDd+Pma40TpLd+vUBo3DM78r0lcrl5ggTHT25eAqEZmDRWrEcHN4VZtTbURHCA==
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

2026-09-17T10:25:04.299079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071433
observed 3ef2ac835020ae99a9b55e081b1e7f20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:04.281745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071433/manifest.json
observed 850d79da97ee9f046798cfb2030d98ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:04.261828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071433/publication.md
observed 2a99a1dfc38bb5bb489621c23ea6fd9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:04.245555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071433/publication.txt
observed e479dd9366512ddbab18d3d4848af43e...
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.