OpenTechnical

OT-2026-000070456

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, vented 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-2026-000070456) never changes.

Identity and time

Publication numberOT-2026-000070456 · never reused
Internal UUID01a0ae91-545f-73e0-bae8-d5006b2956d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070456
StatusPUBLIC

Content hashes

Canonical textbc7521f195ce729e7589b7b2ed2f68819c5ea29dbddd35a16e2b05e544fc9291
Markdown3901f537d7ed0ce44f4770288b65663fe51896a7debd57b4f86754ff634f2b95
PDF
Publication page71499e159158a0f312370ac3d766fa45ee6862a0eb2273894f97eab0726c65c3
Manifest01297ff89043ddbb68958983c1b4747be62a6bd1449dbd68db3a33aea26f94f8

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
Signature4qTDOgiqpCw44n8DlL2D4mIBAMXVwjsrjmIywUXt0EQCHsJOHg4rxsYE2NREuM8rJh3yJtwqCrm6QPIgnEZKDQ==
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

2026-09-17T10:26:16.887907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070456
observed 71499e159158a0f312370ac3d766fa45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:16.871227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070456/manifest.json
observed 01297ff89043ddbb68958983c1b4747b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:16.854478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070456/publication.md
observed 3901f537d7ed0ce44f4770288b65663f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:16.837368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070456/publication.txt
observed bc7521f195ce729e7589b7b2ed2f6881...
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.