OpenTechnical

OT-2026-000042687

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, manifold pressure sensor, pulsed blow-off 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-2026-000042687) never changes.

Identity and time

Publication numberOT-2026-000042687 · never reused
Internal UUID01a0ae7a-c0cf-7228-b82b-50c216e839bd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042687
StatusPUBLIC

Content hashes

Canonical textbcb6ab635d043532b0067a1c8a46639b1640a3ed24818cbc0d0d428acaff1853
Markdown468d422fe97b2da705eead49bb5f606cdc14bf6658afaa66cf14d916d16f562a
PDF
Publication page65ca5ebeeb0d7ccf2cd2e82fc9d6a08529804d028165db832fa95316c02aad5c
Manifest05ec98dc1ff03c11dd6e64af019e774aee6aa4980c77a5995b41069661d990de

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
Signature+G5N1ERiw5pqI7l1QaL69hSkXlZ4n595c0eX7MiUyyf+JYT0VcMmuaiC3ycaroR+o46f9lT05ciIlNRj/Ln3CA==
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

2026-09-17T11:15:02.579832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042687
observed 65ca5ebeeb0d7ccf2cd2e82fc9d6a085...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:02.560651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042687/manifest.json
observed 05ec98dc1ff03c11dd6e64af019e774a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:02.542004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042687/publication.md
observed 468d422fe97b2da705eead49bb5f606c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:02.519010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042687/publication.txt
observed bcb6ab635d043532b0067a1c8a46639b...
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.