OpenTechnical

OT-2026-000070621

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, single stage ejector, supply line pressure sensor, 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-2026-000070621) never changes.

Identity and time

Publication numberOT-2026-000070621 · never reused
Internal UUID01a0ae91-8c2b-7ade-9ed3-8b6751e86c34 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070621
StatusPUBLIC

Content hashes

Canonical textbe56d64b86f9d407e252d87bd01fb706cc5e01a25c2c7ee84473db6a0e488293
Markdownaeb9a67dd1d0fa942746c0b1e0b4cf444143a6d9c5343b266cd2823d694382a0
PDF
Publication page9c9278de202bc679e3b68d1009c260252be0c63002bd8713453e51bb85a6717c
Manifest369da60052fae3a9acc4d3dadbaa079fa007f7afd48fb1c8f5e0209ecc75dd08

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
SignatureQkzxtFXPsDxNPwHv/Mab+Nq4S03qBbcqmmiSZVHZPXVBsE6cqQ1F55ht4GbMo/e1hG5F5emhdCDt4MpT8SHDDA==
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

2026-09-17T10:25:17.144475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070621
observed 9c9278de202bc679e3b68d1009c26025...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:17.126177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070621/manifest.json
observed 369da60052fae3a9acc4d3dadbaa079f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:17.106466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070621/publication.md
observed aeb9a67dd1d0fa942746c0b1e0b4cf44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:17.086869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070621/publication.txt
observed be56d64b86f9d407e252d87bd01fb706...
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.