OpenTechnical

OT-2026-000049804

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000049804) never changes.

Identity and time

Publication numberOT-2026-000049804 · never reused
Internal UUID01a0ae81-8ff0-757b-8637-38d6ae618011 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049804
StatusPUBLIC

Content hashes

Canonical text7470065a120defe364ba39186e1236e020ca843d766a7c5905afd588e60d0995
Markdownaa91b8887973362c1e41c79c4f028c2afb750f225aa7f64912d9d34d1a51c2cc
PDF
Publication pagef93d8d2913d6b411aefe556b9206e98d125cd728df9326c0453330ef3c8d6e27
Manifest4a2f0a6a44d49c05db4e65098c22fb7566d906c4e0f6a0a2cdb41d167aaf7039

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
Signature1A498CIx5qDUlLG1M6gatGVTfxNABrs8SaIhTEkVgIyjrU2ioaNFlW18hES6KKqZNmkSgLjalNpCuIjDmjljCQ==
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

2026-09-17T11:02:55.798537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049804
observed f93d8d2913d6b411aefe556b9206e98d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:55.776635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049804/manifest.json
observed 4a2f0a6a44d49c05db4e65098c22fb75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:55.756965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049804/publication.md
observed aa91b8887973362c1e41c79c4f028c2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:55.737371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049804/publication.txt
observed 7470065a120defe364ba39186e1236e0...
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.