OpenTechnical

OT-2026-000015249

Publication integrity record

Single cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000015249) never changes.

Identity and time

Publication numberOT-2026-000015249 · never reused
Internal UUID01a0ae6d-ef48-74f4-9b04-c1fd1b84a88a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015249
StatusPUBLIC

Content hashes

Canonical text04a10d633a607f59fab2337d52e850d9588ef4dbca42c4013d943d2947b46f6e
Markdowndfcf4776ecd15b901eeaff9b570c86af7bdb9cf764cddf81a26f22a6bc6a0dee
PDF
Publication page170e0c00aaf245761edf6028640dc2d3909814b66a16be158744ff7eb307275a
Manifestd56631f939e8d61ee2c31f16028c21cc5e8c812974f80a2be292a5ef0dead85f

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
Signature0iaXPIC6pkmj1pPZkcZNmZ1VaXFkPOfm8lVFRQwX9injzmi4p1LH95jQ/wn7sTjDlyn7u2ZbStRGSGySZCkrAA==
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

2026-09-17T12:05:53.831039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015249
observed 170e0c00aaf245761edf6028640dc2d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:53.809681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015249/manifest.json
observed d56631f939e8d61ee2c31f16028c21cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:53.785638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015249/publication.md
observed dfcf4776ecd15b901eeaff9b570c86af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:53.763578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015249/publication.txt
observed 04a10d633a607f59fab2337d52e850d9...
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.