OpenTechnical

OT-2026-000069371

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, pressure sensor per zone, 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-2026-000069371) never changes.

Identity and time

Publication numberOT-2026-000069371 · never reused
Internal UUID01a0ae90-b529-764f-9879-6bcaf622ace9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069371
StatusPUBLIC

Content hashes

Canonical textec944430198eb948b36357fba940446c93138ac7a599e5a61af645c07c351a7b
Markdown36b9f5ce803fceab696d69b00a17e8418bc31787314abeddd6cc5f29799abed3
PDF
Publication pageb3e0641f56d30164d137b132adcfad91eddbc3364276c9e1dbaa836267396376
Manifestc91a36f0cea1bc8d85938d763906e70c91203e255462a6e79f1be6822fe89b3e

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
Signaturexx95iPjKORaD0y3ovDvjCfoC+TUfSN7h19SenAz++nFjY+fGMxgf4MugNeV92xhTuzPWygRV3x6y67hHPeG3BA==
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

2026-09-17T10:30:15.315695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069371
observed b3e0641f56d30164d137b132adcfad91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:15.296315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069371/manifest.json
observed c91a36f0cea1bc8d85938d763906e70c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:15.277929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069371/publication.md
observed 36b9f5ce803fceab696d69b00a17e841...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:15.252396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069371/publication.txt
observed ec944430198eb948b36357fba940446c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:56.257828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069371
observed b3e0641f56d30164d137b132adcfad91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:56.239635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069371/manifest.json
observed c91a36f0cea1bc8d85938d763906e70c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:56.222213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069371/publication.md
observed 36b9f5ce803fceab696d69b00a17e841...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:56.204254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069371/publication.txt
observed ec944430198eb948b36357fba940446c...
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.