OpenTechnical

OT-2026-000027773

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off before 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-2026-000027773) never changes.

Identity and time

Publication numberOT-2026-000027773 · never reused
Internal UUID01a0ae72-a4a4-764f-8f83-74b14ddc0598 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027773
StatusPUBLIC

Content hashes

Canonical textd2ad383cf35a9ddbaf35cb3d56f66ef8f7c0f10507995ab73603106614af24ad
Markdown8daa3ff76f6748996adc18263fe81be62e444ec425adc52c310cd1311a71ede1
PDF
Publication page2e2aab2cd146cffb94bced7e7957b49b182d56a24b32e7ebb97bc5c97af36a1f
Manifeste91b5e06ce9fc363552d099a6eb543a3b6373041ca44e228fb3d7090b19ecdb3

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
SignatureV+XQphCshspe4Rb19KRpzxDwKdwcf06kirnVNc4ozdBvvWanKxLBI6OSDltkwzsiUkxy4Fzt0f+1iNyBxvYoAA==
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

2026-09-17T11:41:49.259293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027773
observed 2e2aab2cd146cffb94bced7e7957b49b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:49.242478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027773/manifest.json
observed e91b5e06ce9fc363552d099a6eb543a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:49.223874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027773/publication.md
observed 8daa3ff76f6748996adc18263fe81be6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:49.205078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027773/publication.txt
observed d2ad383cf35a9ddbaf35cb3d56f66ef8...
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.