OpenTechnical

OT-2026-000048714

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000048714) never changes.

Identity and time

Publication numberOT-2026-000048714 · never reused
Internal UUID01a0ae80-c32b-7436-acca-9b3dcda74e66 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048714
StatusPUBLIC

Content hashes

Canonical textaa1627e0293f9b98717b46aadbd89bac89195f11dff76b92353a0f2f8305a578
Markdown08683630207028d8e3698fa0b987701e3c490a76dd2eeb51e8c5556ee77809e7
PDF
Publication page210561787645ea5027f003e6348a4a891817bdc9b32064924c86c8f791318c95
Manifest7998d14f7c4144f6f012eccb39a0cfbbe57fd93a34ea32c38cdc197d89361675

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
SignatureIhU7gBgYE7FrGKd8POhBbadU+8nhuoLzAUzIuQNEh05IIihmhk1Ni5CP7R5/LnFmKnAqO3RZqL0jFb+ny16VAA==
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

2026-09-17T11:04:21.343772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048714
observed 210561787645ea5027f003e6348a4a89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:21.318347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048714/manifest.json
observed 7998d14f7c4144f6f012eccb39a0cfbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:21.298197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048714/publication.md
observed 08683630207028d8e3698fa0b987701e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:21.277229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048714/publication.txt
observed aa1627e0293f9b98717b46aadbd89bac...
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.