OpenTechnical

OT-2026-000044736

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, pulsed 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-2026-000044736) never changes.

Identity and time

Publication numberOT-2026-000044736 · never reused
Internal UUID01a0ae7c-911a-721b-9702-6254c68815d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044736
StatusPUBLIC

Content hashes

Canonical text25425463c79f8ef32757011d0b26f44dac533218044088a3bd830de29d828f2a
Markdown44874b7accb8ca1484adc80aa2746cddd1179c32fa5fda8e07a3359a612889b2
PDF
Publication page164d3caefd69c3ec80830fd7ae29a7c56f63ca0672eb36eeb090308fdee762ab
Manifest631cb1e2733279c021712cde98382692a15ca534a73d2243d42015bb44aca530

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
SignatureFU3ryEi3JLFMJYwpWTzjl8TXEwCUK1hsi9pxITZluZZzI7v3jek7R1IuYQarlOkdf2sNcg72IgkzUBJeFFCmBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:11:20.901413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044736
observed 164d3caefd69c3ec80830fd7ae29a7c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:20.883650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044736/manifest.json
observed 631cb1e2733279c021712cde98382692...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:20.867794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044736/publication.md
observed 44874b7accb8ca1484adc80aa2746cdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:20.850965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044736/publication.txt
observed 25425463c79f8ef32757011d0b26f44d...
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.