OpenTechnical

OT-2026-000046532

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000046532) never changes.

Identity and time

Publication numberOT-2026-000046532 · never reused
Internal UUID01a0ae7e-57dd-72e4-b22a-bf959b128c98 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046532
StatusPUBLIC

Content hashes

Canonical textf5f418681963fdd84ffb62cad48f88d76dd35ac0ebbb491adf8107a2c41c3701
Markdown183621a63921023ed4e15c101f7b039c8978a2cbb7ac4ff014dcb0f7f26234b8
PDF
Publication page404798392232aa322f2b5c7166808f629202f7739926c5baa73197b0303dd515
Manifesta522983c200176b62b0f5c960c863469cb804f439f1f60c12ce5a9a9be9f1ee7

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
Signature09e/RMr5s/bIA5KBlOG7Q0NjvrDwHr9KAWksjqjYw4rZ3CeUPE83q0qJbow6f0S9H23/zEwZ5DfFddsU0/G7CA==
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

2026-09-17T11:08:35.145411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046532
observed 404798392232aa322f2b5c7166808f62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:35.127928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046532/manifest.json
observed a522983c200176b62b0f5c960c863469...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:35.107677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046532/publication.md
observed 183621a63921023ed4e15c101f7b039c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:35.090436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046532/publication.txt
observed f5f418681963fdd84ffb62cad48f88d7...
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.