OpenTechnical

OT-2026-000023271

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, 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-2026-000023271) never changes.

Identity and time

Publication numberOT-2026-000023271 · never reused
Internal UUID01a0ae70-7267-7955-9e55-8ab61c34b2b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023271
StatusPUBLIC

Content hashes

Canonical textf62f125c2082b270c354c5a8dff5f523f3dc08520b95c2ae8b1c047958dbc64f
Markdowna2492ceb86e3b219c36244a097c5188d0a051f14a7b16dcba8beea5fd3d97fba
PDF
Publication page3527c9362bbbc0666b8ff2b60f62bf1d1741fc04012cb03797059f5ef680de8d
Manifest7b4a71020e439b5d6ad95f517931ece89fa8e1231115fab8305b86255b6df0ca

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
SignatureRbKAfE7r+70tFk405jydimQufZRMpIuyrRcN95Jbs5mxecRdae4AfNvsq1yE3/KaXlRDSUyAQ3kO9pzdcjqTAQ==
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

2026-09-17T11:51:20.636788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023271
observed 3527c9362bbbc0666b8ff2b60f62bf1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:20.615678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023271/manifest.json
observed 7b4a71020e439b5d6ad95f517931ece8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:20.568137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023271/publication.md
observed a2492ceb86e3b219c36244a097c5188d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:20.532929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023271/publication.txt
observed f62f125c2082b270c354c5a8dff5f523...
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.