OpenTechnical

OT-2026-000045681

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000045681) never changes.

Identity and time

Publication numberOT-2026-000045681 · never reused
Internal UUID01a0ae7d-8f03-7b42-851f-52e1089ce31a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045681
StatusPUBLIC

Content hashes

Canonical textec07d455f1dd16e1ff2de4ccb67dc9fc0f34b1015cf9cdc899d127a37482de3d
Markdown03732a9dfb912312e04f996690281ca4c962dfedcdd0e87d3a894b6b3c97c13a
PDF
Publication pagea0b2bb1a010601e3ceb41fee065f245bb55ead65c3499d313aae11769e8ed327
Manifest0175e41838bcfd643e8f525096d107032eb0e6c94267fd29a5812d7c08dcd391

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
SignaturenHaG6KD25YFYjJ6BbtqxzgGgFuzDaz1O1RWGoisdGli/57/kwKP0Wj6FUnyiWaLi0KBeowTGnMIZg7nMJNHbCQ==
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

2026-09-17T11:09:28.880203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045681
observed a0b2bb1a010601e3ceb41fee065f245b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:28.861394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045681/manifest.json
observed 0175e41838bcfd643e8f525096d10703...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:28.844227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045681/publication.md
observed 03732a9dfb912312e04f996690281ca4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:28.826766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045681/publication.txt
observed ec07d455f1dd16e1ff2de4ccb67dc9fc...
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.