OpenTechnical

OT-2026-000037728

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained 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-2026-000037728) never changes.

Identity and time

Publication numberOT-2026-000037728 · never reused
Internal UUID01a0ae77-b8d0-72a7-8402-6f44478e4adf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037728
StatusPUBLIC

Content hashes

Canonical textadc88080bee8ea476ef2ab9a1d8a3ff4f7ea51f7edde3c72f8b706e467f5f3cc
Markdowna7afc605990e7ae35a236030922b0957d8103f505953ea3798773bab4f8caa84
PDF
Publication page3a52b96ee071b558712dcd83c8954f890a9121b8b1b284277cb8303f640b0ff1
Manifest7ae23daf4f60f86df6cad3f6c35a9272001758c11fa38e2484569d9b0699f9ed

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
Signature7m9vDpeBSM0ao/rne5HyC7ldE+c6MAWWWFFFAw+uUaDXL6pk/U/cr+EthIHhfZiRTZT+xUXBgMU8pfNKo1hUDw==
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

2026-09-17T11:24:19.623154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037728
observed 3a52b96ee071b558712dcd83c8954f89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:19.607162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037728/manifest.json
observed 7ae23daf4f60f86df6cad3f6c35a9272...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:19.589249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037728/publication.md
observed a7afc605990e7ae35a236030922b0957...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:19.573277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037728/publication.txt
observed adc88080bee8ea476ef2ab9a1d8a3ff4...
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.