OpenTechnical

OT-2026-000062357

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, vented after 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-2026-000062357) never changes.

Identity and time

Publication numberOT-2026-000062357 · never reused
Internal UUID01a0ae8c-0abf-7505-8a1a-caa9988627f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062357
StatusPUBLIC

Content hashes

Canonical texte5be2d0fe8a2636af5adc827b7cc8cfe333338a29bc1092a14fe6770a64ae332
Markdown0ac506cd3a688307e4b11902a373fa1aa0f486ed615c8b89a623c21b754a3141
PDF
Publication page96b53e5f1e2cdf42a4e5823a7e6b4b0f28f17df195fe8f81662e1fdd5cd91945
Manifested901f244247837ba60eb5d533cab65ea12b381bafc5430646f994b338ccf7dc

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
SignatureBmvzs771BWNGHTxT/bsarSRB2BF4E2yW8bujNQdfpdeqKwyCE2KRhGmKc0CvaSRWaNzSyXT0kJb/SscjNNpODQ==
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

2026-09-17T10:39:40.299426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062357
observed 96b53e5f1e2cdf42a4e5823a7e6b4b0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:40.283145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062357/manifest.json
observed ed901f244247837ba60eb5d533cab65e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:40.267008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062357/publication.md
observed 0ac506cd3a688307e4b11902a373fa1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:40.247486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062357/publication.txt
observed e5be2d0fe8a2636af5adc827b7cc8cfe...
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.