OpenTechnical

OT-2026-000071467

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, three stage ejector, supply line 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-2026-000071467) never changes.

Identity and time

Publication numberOT-2026-000071467 · never reused
Internal UUID01a0ae91-e0ed-7334-895b-ea530f896f69 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071467
StatusPUBLIC

Content hashes

Canonical text298e42fcfa5f7f4b9e74febf5ac0dd2af8b80f9c10d40719eca7875d9cd53ae2
Markdown48cc2f22ab11abe667e93a1ff526dbbdd474bfb5c025235ddcc53c3b836bff62
PDF
Publication page1d46df61991b742c1855be190a01a5991c106a00e4c930d2016fd1077b2ad2ed
Manifest622c3f9f68e2c970410ecfd14f560dbeb3be7c0e7e2a10b3eebff0c919ebf04b

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
Signaturem+HF4U8IppGE1mRLBwCsHf+jrkLrX/XSoHOGq06/yTN6PcjoF6RF28ed5t0YZsGV+EdT7ANnAEL+loHQEIjXCQ==
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

2026-09-17T10:25:06.479456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071467
observed 1d46df61991b742c1855be190a01a599...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:06.461603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071467/manifest.json
observed 622c3f9f68e2c970410ecfd14f560dbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:06.445673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071467/publication.md
observed 48cc2f22ab11abe667e93a1ff526dbbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:06.429274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071467/publication.txt
observed 298e42fcfa5f7f4b9e74febf5ac0dd2a...
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.