OpenTechnical

OT-2026-000081014

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000081014) never changes.

Identity and time

Publication numberOT-2026-000081014 · never reused
Internal UUID01a0ae96-b976-79ef-ad26-959a630f0abf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081014
StatusPUBLIC

Content hashes

Canonical text38d6881e0d48c213157f6999d49488d8e4d529caa725e3c1c17c57b6c9cd53f7
Markdown5d21b4ee7903b14eb6fad8e33e1e8d19b9d508cb0fe1519da940a7f869327b71
PDF
Publication page2aeed93231b4cff6eda958718468badb96d2b1a5b3d10595960b10f7cd117d34
Manifest5c756cfe7036ec7f69652ddc13943ebf5b2f856977c796232ec7795c750e470e

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
Signaturetb63Bd5ZlsNkKyxZ617OX1d9EPO6zPJJlxmtNasBZh4FIkUhjWdOin27rn3Fvhr4Dll0qxjgn0w70mWW8WcGCA==
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

2026-09-17T10:02:18.200247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081014
observed 2aeed93231b4cff6eda958718468badb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:18.182051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081014/manifest.json
observed 5c756cfe7036ec7f69652ddc13943ebf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:18.165485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081014/publication.md
observed 5d21b4ee7903b14eb6fad8e33e1e8d19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:18.148799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081014/publication.txt
observed 38d6881e0d48c213157f6999d49488d8...
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.