OpenTechnical

OT-2026-000070572

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000070572) never changes.

Identity and time

Publication numberOT-2026-000070572 · never reused
Internal UUID01a0ae91-5460-743c-958b-2351203b10fc · 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-2026-000070572
StatusPUBLIC

Content hashes

Canonical textba99c0f5b7f1e4ec24134d6f3cd167bb3cfb7307cffda192f0dc300097b4eef6
Markdown1c9cf266f2e44f6d7e79e8c054d089f246b820d2b5c474a2534a6c625448ecd6
PDF
Publication pagedb6dbd3e8e9b84280fb7b25c9561525d5b3e3029d60e51485055db280cc60b25
Manifestfc82a26b48a04156475ec6de74a004b54b92fcd0895bc5ec7167730c15a1ea92

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
Signature/UqXa6EgGc2X1b1n1wnu42cgijy3KGDnsNnn2DbpJa1A6CvhVx0R371JOFZbrnNHXVV5v2ZmTDsPRjWOYaWlAw==
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

2026-09-17T10:26:25.420693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070572
observed db6dbd3e8e9b84280fb7b25c9561525d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:25.402939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070572/manifest.json
observed fc82a26b48a04156475ec6de74a004b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:25.385400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070572/publication.md
observed 1c9cf266f2e44f6d7e79e8c054d089f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:25.369119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070572/publication.txt
observed ba99c0f5b7f1e4ec24134d6f3cd167bb...
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.