OpenTechnical

OT-2026-000020102

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000020102) never changes.

Identity and time

Publication numberOT-2026-000020102 · never reused
Internal UUID01a0ae6f-1fb8-780f-a189-d278cfa65ae9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020102
StatusPUBLIC

Content hashes

Canonical text032ff8573903a4a15027b93ee856e06d1ea5c4e27f53bfb4edc0cbb81cf3a2b7
Markdownc979714d1bf185e54e7ddbcd02294b99291b676660b459f38cf7055c773d2017
PDF
Publication page3caff6b7b29af2319595de0dd65229a4204334045ef1792688ae013c1983555a
Manifestac0e5298d9f8d0eebc455d1a7dc1c7117785bc7ce172429a9b1cb4aad63f01c6

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
SignatureIraBJYuitEJA8Z4GCiPbKQSvHmSYYhlEnHTn9mbXgRtFaU/FJUSfBh+0cyA6CQj1PpbbcGU+hsf/9p+IEiHQCw==
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

2026-09-17T11:58:22.795719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020102
observed 3caff6b7b29af2319595de0dd65229a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:22.775014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020102/manifest.json
observed ac0e5298d9f8d0eebc455d1a7dc1c711...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:22.756033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020102/publication.md
observed c979714d1bf185e54e7ddbcd02294b99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:22.738190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020102/publication.txt
observed 032ff8573903a4a15027b93ee856e06d...
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.