OpenTechnical

OT-2026-000069373

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, 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-2026-000069373) never changes.

Identity and time

Publication numberOT-2026-000069373 · never reused
Internal UUID01a0ae90-b529-750e-981b-5b7c1e0d8f33 · 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-2026-000069373
StatusPUBLIC

Content hashes

Canonical text79bfa41b04326229c61126b8cb66e199fd47081f9a42682bdff81e220b9168c7
Markdown7113f725204e2e684568122166ab9bc7212fc57b8a451df9ec6dcb4298c3b323
PDF
Publication pageaed6c2836cd95ad012f41de8728fb06a83bc1fdc2f6009b2c42ad6924da7b49b
Manifest7b595e958aa8965870ca6aa7acdc3b0a02a5dcdd8bb55b864ff27aae9b8e2530

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
Signaturearmm8srqATedwX1REjmJ9kQLgEJoGTDH06iPgPL6L2Bq7eKIQ3wl/7qiyWIa+1RoIeIH2+3w3x4n43xhh2hHDA==
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

2026-09-17T10:30:17.638848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069373
observed aed6c2836cd95ad012f41de8728fb06a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:17.612274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069373/manifest.json
observed 7b595e958aa8965870ca6aa7acdc3b0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:17.582526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069373/publication.md
observed 7113f725204e2e684568122166ab9bc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:17.549974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069373/publication.txt
observed 79bfa41b04326229c61126b8cb66e199...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:58.222658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069373
observed aed6c2836cd95ad012f41de8728fb06a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:58.204362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069373/manifest.json
observed 7b595e958aa8965870ca6aa7acdc3b0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:58.186474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069373/publication.md
observed 7113f725204e2e684568122166ab9bc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:58.170396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069373/publication.txt
observed 79bfa41b04326229c61126b8cb66e199...
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.