OpenTechnical

OT-2026-000062904

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off after 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-2026-000062904) never changes.

Identity and time

Publication numberOT-2026-000062904 · never reused
Internal UUID01a0ae8c-94a8-73fc-a32a-52c404626cee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062904
StatusPUBLIC

Content hashes

Canonical text13c8cc9e3073c154e6ea80c310ed47cbb954784f8544e132e5eace04c079560d
Markdownc3ff1823bea8522c3011ab82dfe5ad177373bd9a6090dfdf1f61ea794e6ef4cc
PDF
Publication pageb3bf127df3bc6632ca094cb1815d1ade9d6653f83bf717b8d75cf6d85fd5d424
Manifest903e781b9b60f2fba46b944e3c2e714f6cb1d7e0a7c665fe77b3534e1935ade6

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
SignatureFPdCOiRHbCJByc6/JVlOGym3vIulw/6JpW3shvcTYBVB61TDF02VsmhrXYSLs69cmOcg7fheBCXf9vYmyOfdBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:40:16.581565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062904
observed b3bf127df3bc6632ca094cb1815d1ade...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:16.562513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062904/manifest.json
observed 903e781b9b60f2fba46b944e3c2e714f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:16.541572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062904/publication.md
observed c3ff1823bea8522c3011ab82dfe5ad17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:16.519322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062904/publication.txt
observed 13c8cc9e3073c154e6ea80c310ed47cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:36.813112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062904
observed b3bf127df3bc6632ca094cb1815d1ade...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:36.793666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062904/manifest.json
observed 903e781b9b60f2fba46b944e3c2e714f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:36.774994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062904/publication.md
observed c3ff1823bea8522c3011ab82dfe5ad17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:36.758804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062904/publication.txt
observed 13c8cc9e3073c154e6ea80c310ed47cb...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent