OpenTechnical

OT-2026-000068119

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single 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-2026-000068119) never changes.

Identity and time

Publication numberOT-2026-000068119 · never reused
Internal UUID01a0ae8f-c4fe-7757-87af-e1f0a4eebeda · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068119
StatusPUBLIC

Content hashes

Canonical text3d3f603064a7967ca0ce327cf1375c9fd9ac67263e104dca0973ed0c2bce8300
Markdown3e49a5c9b6b1aadf8fe3ad7b9daa6a360a7e7431665978e9ae930a68b5c2d73f
PDF
Publication pageec3f2c76c45f8268c464e49f4c9b249ee13722fe41e625c425a9798937926e4b
Manifest11d4f2735dc6490e566fae541be75fc906564a72d31a5d87df010c34c32cbbaa

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
SignaturepIpjiPs3lBLw1cwWgos78mlnWzO28cvAwgyEKxANoa9n1c671sYqgLDcXYi7M1xy0BKYDTNxAAogHhRG7BWmCg==
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

2026-09-17T10:30:45.390057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068119
observed ec3f2c76c45f8268c464e49f4c9b249e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:45.370598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068119/manifest.json
observed 11d4f2735dc6490e566fae541be75fc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:45.350604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068119/publication.md
observed 3e49a5c9b6b1aadf8fe3ad7b9daa6a36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:45.331425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068119/publication.txt
observed 3d3f603064a7967ca0ce327cf1375c9f...
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.