OpenTechnical

OT-2026-000076438

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, manifold pressure sensor, vented 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-2026-000076438) never changes.

Identity and time

Publication numberOT-2026-000076438 · never reused
Internal UUID01a0ae94-6a71-70ca-87f9-094bb7a3116c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076438
StatusPUBLIC

Content hashes

Canonical textf35a92299db9151b0957f4bc0fba02b4d140888c5b68c6a5f6202be289ce6967
Markdownd8fc68750d99586a8acd4410526d4b41c950d805caeea9d9bee886dd9db6d581
PDF
Publication page0fa73878a0ee7a09134f56ec646ca20abd696dc6727b6fa91086913a35127b81
Manifest5521c06dba530bf56f166daf2e8f9abc338178bf63f6523d3ed0ce7a2b6e7858

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
SignatureM0en1HT0jywpd3PEN4IxjCUqRgk43JLb8yOMkRIdFPdpTInLNvlRmy3IntGodzDnJFjEPS41hn9iox2JsgzTDg==
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

2026-09-17T10:12:27.972483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076438
observed 0fa73878a0ee7a09134f56ec646ca20a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:27.953007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076438/manifest.json
observed 5521c06dba530bf56f166daf2e8f9abc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:27.559104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076438/publication.md
observed d8fc68750d99586a8acd4410526d4b41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:27.537300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076438/publication.txt
observed f35a92299db9151b0957f4bc0fba02b4...
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.