OpenTechnical

OT-2026-000073194

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000073194) never changes.

Identity and time

Publication numberOT-2026-000073194 · never reused
Internal UUID01a0ae92-efb6-7057-b390-fdbab70fb386 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073194
StatusPUBLIC

Content hashes

Canonical text4330747afddb14a10eb5ac9ea814c4cc8bbb8549dd0356b8118e2f9bf776bd0a
Markdown09db9dedfb7352b7ae8fdc7ca94aef659aac4929cf4689e2c43bb15a39635910
PDF
Publication pagef7a72c2d44e7827f3b8b95f2aa5fce955ec872ce62c50a044abf31f933b80318
Manifest95550a6ad8f85e6c9b09ff65cf58f1651c50eb026cfdc6c6fbb6dc8f0a9d52bc

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
SignatureFMufIxe+CNRDcDzdCWmvwJpCyNckr+NkC0ZHsFJrjYHZonqTZ+VcNp6EnToreYt1lVO1fWVZCBQdIEBz3zpTDQ==
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

2026-09-17T10:21:09.273971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073194
observed f7a72c2d44e7827f3b8b95f2aa5fce95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:09.256065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073194/manifest.json
observed 95550a6ad8f85e6c9b09ff65cf58f165...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:09.237526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073194/publication.md
observed 09db9dedfb7352b7ae8fdc7ca94aef65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:09.216592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073194/publication.txt
observed 4330747afddb14a10eb5ac9ea814c4cc...
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.