OpenTechnical

OT-2026-000019390

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold 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-2026-000019390) never changes.

Identity and time

Publication numberOT-2026-000019390 · never reused
Internal UUID01a0ae6e-f393-7094-8634-d39210723d1b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019390
StatusPUBLIC

Content hashes

Canonical text9bbe4e5c0bd581862c4fbade13ff4f8a06ce089b81df4ad734f3c59dca6c1366
Markdown60590b3c90ff31b661161054f5493f9b0c6fe4493d68b3fb613b41439e79f898
PDF
Publication pagef7c18b74cdb6b707f4e1e6e957b2d47ddb157841efdab9af82d881746610936a
Manifest771cb13fdbeac571cb4726bacda429cee53818aaece2cf5a8421fe9743fa739b

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
Signaturec0ktYxtPvuod3FfSmWnOtzh3VudDh4323KLvfUzcYVlQXudPyT2Ad2w1p2BCk7dVijYefAjxyX2XyWYdyayBCQ==
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

2026-09-17T11:58:46.457504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019390
observed f7c18b74cdb6b707f4e1e6e957b2d47d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:46.438449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019390/manifest.json
observed 771cb13fdbeac571cb4726bacda429ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:46.417635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019390/publication.md
observed 60590b3c90ff31b661161054f5493f9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:46.397449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019390/publication.txt
observed 9bbe4e5c0bd581862c4fbade13ff4f8a...
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.