OpenTechnical

OT-2026-000064877

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented after 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-2026-000064877) never changes.

Identity and time

Publication numberOT-2026-000064877 · never reused
Internal UUID01a0ae8d-debd-70fb-9f96-142db2a4bbf6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064877
StatusPUBLIC

Content hashes

Canonical text0040fb9336150365a53ac844b905a9a8ca9f9f430ab31341bc74dc25f64c012b
Markdown9e83be057ff588c3a6fd00b6fd5a40477f428bbd04095fbc5384ebe6e80d5bab
PDF
Publication page2f652f6379fe6ae519994eb96607f066627a0e50a3b5628aac37a7c3f9e9b2e8
Manifestd3b8900b6c5a6164a0f6ea6b54721d9f77c1e32c08e728686f3964e486cf38c2

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
Signature9mJKCv//m8LOsKVX8lvcGo5me07mGM6iO7SAsFFbtA7oGIg5V4kFWn1K5gZ2k53ejkU6l2p6WnBqtWBRIX0XAw==
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

2026-09-17T10:35:48.057522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064877
observed 2f652f6379fe6ae519994eb96607f066...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:48.040404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064877/manifest.json
observed d3b8900b6c5a6164a0f6ea6b54721d9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:48.022338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064877/publication.md
observed 9e83be057ff588c3a6fd00b6fd5a4047...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:48.005461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064877/publication.txt
observed 0040fb9336150365a53ac844b905a9a8...
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.