OpenTechnical

OT-2026-000020473

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three 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-2026-000020473) never changes.

Identity and time

Publication numberOT-2026-000020473 · never reused
Internal UUID01a0ae6f-437b-7346-89b9-88dac9b7da50 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020473
StatusPUBLIC

Content hashes

Canonical textc6a7bdf409a26e09ff341ded4c2810b4408bec91602bb5ae0004d0179e49f2cb
Markdown4058c5928300953e9d827761ad3fe893157ab0f6b680cb9cc4b35156bcfbd0c7
PDF
Publication page70bb1954893c2dd5f50737882d9f5a22ef75413b3421ec95f2ebf1a75e195ee8
Manifest72443a68419d15a456d545382a120be2cf317d8cf1c6bc85b0b1f8f3e4dd792f

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
Signature3kkXqS56Ts9U456FAL0swDnHH9MC5xJQrH7zWvQWmpgdqHDlBc2bWVzuTbS25qVDemLru9Zo7s3d/RtO8MUzBw==
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

2026-09-17T12:00:24.700141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020473
observed 70bb1954893c2dd5f50737882d9f5a22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:24.681022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020473/manifest.json
observed 72443a68419d15a456d545382a120be2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:24.663684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020473/publication.md
observed 4058c5928300953e9d827761ad3fe893...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:24.647536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020473/publication.txt
observed c6a7bdf409a26e09ff341ded4c2810b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:28.634276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020473
observed 70bb1954893c2dd5f50737882d9f5a22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:28.616774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020473/manifest.json
observed 72443a68419d15a456d545382a120be2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:28.596962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020473/publication.md
observed 4058c5928300953e9d827761ad3fe893...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:28.578434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020473/publication.txt
observed c6a7bdf409a26e09ff341ded4c2810b4...
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.