OpenTechnical

OT-2026-000070326

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000070326) never changes.

Identity and time

Publication numberOT-2026-000070326 · never reused
Internal UUID01a0ae91-545e-7b29-b3ac-5608b32911b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070326
StatusPUBLIC

Content hashes

Canonical text7a5ef7b4c0bf56002ca6d23b3605aa2d0a8edbec8b56a611816c422750d82579
Markdown87d2279d63a6598f013640b5d7ad5c1f0cf81cd7e3efaed6dbc894b6ed662d81
PDF
Publication pageb0a848f9cb92a5fe20bfdd0d9fe47c2f2040b172453617dff16b578f3984fba6
Manifestcc6cde50acdc10a029b11e32f69c3f4c14c442556c6aff1621bef61ab15d09c5

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
SignatureUpZ/jxNDtSRczi5kiy2scAAkak8zNRctqcEPunwp993Ty7RN686Go1TFg7fk90v47pE7czb2roK0RB4/2jVRCw==
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

2026-09-17T10:26:07.062182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070326
observed b0a848f9cb92a5fe20bfdd0d9fe47c2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:07.045788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070326/manifest.json
observed cc6cde50acdc10a029b11e32f69c3f4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:07.005104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070326/publication.md
observed 87d2279d63a6598f013640b5d7ad5c1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:06.988775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070326/publication.txt
observed 7a5ef7b4c0bf56002ca6d23b3605aa2d...
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.