OpenTechnical

OT-2026-000017553

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before 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-2026-000017553) never changes.

Identity and time

Publication numberOT-2026-000017553 · never reused
Internal UUID01a0ae6e-76ca-7e47-a590-de5eff398f11 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017553
StatusPUBLIC

Content hashes

Canonical text601bd5d72d31d7cc8828c81ef46f55a9f06735bff34ca9c1ab030e354919d4ba
Markdown58513c01dea96478f40d76b68a12e35466c4cf2a0aba4bb03f385a5dc99a7b6b
PDF
Publication page14244559357a90bf6b43008dc4218c8691e544d3eaad9c67f12d5198de7824d2
Manifest37c1d06a4229f55c886c1fe291e19c3470ab61bab2f5781a40c356e7a1d46d0b

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
SignatureFzrWAh47ZKl9NRNMwVBfnRrl22oSJ8lkG1LmThBJpnQfxDxsO5PAo8Y9PnPi7V5/2KN53/AxBaG087Fn9PWPAA==
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

2026-09-17T12:02:43.223725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017553
observed 14244559357a90bf6b43008dc4218c86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:43.205911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017553/manifest.json
observed 37c1d06a4229f55c886c1fe291e19c34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:43.184670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017553/publication.md
observed 58513c01dea96478f40d76b68a12e354...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:43.166478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017553/publication.txt
observed 601bd5d72d31d7cc8828c81ef46f55a9...
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.