OpenTechnical

OT-2026-000081714

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000081714) never changes.

Identity and time

Publication numberOT-2026-000081714 · never reused
Internal UUID01a0ae97-0f73-76b5-89be-5a7b88f9f9c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081714
StatusPUBLIC

Content hashes

Canonical textcc9a7a44f1de14354da904582b4f11c0f76a2146465eedd4abb57202e5d5a8f4
Markdown57faa3e27a9fbaa6e26a79abe14447511b4456866dbf00045e84c12c6288013e
PDF
Publication page29b400a0b48c7df5a4c5ef109074cbb6ca08cdf1aaa1d19ca4801a6064cf28c8
Manifest7c6068665f30052fd4c17ce130ccd34a557098e67d253d696749a13bedadb5ca

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
SignatureGyFBpm93x/UatLP8jAbOdo8Tc5eNNcT3djAb3xVqOBvjBHrIQganiTI8BlZYgJqFZ7+fr6eSWWAaeZykD7BeDA==
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

2026-09-17T09:59:47.328191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081714
observed 29b400a0b48c7df5a4c5ef109074cbb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:47.310946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081714/manifest.json
observed 7c6068665f30052fd4c17ce130ccd34a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:47.293647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081714/publication.md
observed 57faa3e27a9fbaa6e26a79abe1444751...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:47.276361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081714/publication.txt
observed cc9a7a44f1de14354da904582b4f11c0...
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.