OpenTechnical

OT-2026-000038255

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, pump 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-2026-000038255) never changes.

Identity and time

Publication numberOT-2026-000038255 · never reused
Internal UUID01a0ae78-2d51-70ae-8923-835ce6a05e12 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038255
StatusPUBLIC

Content hashes

Canonical text5273683233cb4fd640080540b123983e016038e3c1f49e5aa3598a1ac855c8ce
Markdown145c2ac6eff18d35be2b1d095ccb2e0464da6fd464808f808adb0c1052a9a2f5
PDF
Publication page04c4d03bf4cb0ed317191290e7998b2dffc4fa0ef5dd9fe30efeda8597f463c8
Manifestaae62615b59e1f6561934cea3045ed8cfc86c22ee836f7e4b94f326311c16a3a

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
Signature4wK/9G55mM0KJaEZPQ2lYLo/44OBq/xVyaq8fKg6q854k898f4Pd2bxh6RsykITc56RhKY8Gr9nNMaF4m1A2Bg==
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

2026-09-17T11:22:24.615709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038255
observed 04c4d03bf4cb0ed317191290e7998b2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:24.599108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038255/manifest.json
observed aae62615b59e1f6561934cea3045ed8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:24.579060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038255/publication.md
observed 145c2ac6eff18d35be2b1d095ccb2e04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:24.562075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038255/publication.txt
observed 5273683233cb4fd640080540b123983e...
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.