OpenTechnical

OT-2026-000072662

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, 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-2026-000072662) never changes.

Identity and time

Publication numberOT-2026-000072662 · never reused
Internal UUID01a0ae92-89d9-7bcb-a997-ca86ef0dcb56 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072662
StatusPUBLIC

Content hashes

Canonical textf769b72dc0cd2b406e62a2314cf50dcd8773f928bd079036e8dc75c0df033e10
Markdown165e4b71864f2d73bc03c89b7a8b031636cde3d60d3d319f1098ad5deccc6ea3
PDF
Publication page5ee981136bdb30789e06872370faa8466099d4dc49835c0f1157b7f6337439db
Manifest154709bbf1a941c410f2f2e879a0bd81e97ff99d7ff3af09359551ce1e5612ba

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
SignatureXTjfSn0/IVZSCR6wX/x0WXi3RZxpzGEV+tBqml0J2h5mdBEyF7vqQ4xuwg8tqAXmNUqOk4BC+Y27z/+7P45zBg==
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

2026-09-17T10:22:31.748752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072662
observed 5ee981136bdb30789e06872370faa846...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:31.731338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072662/manifest.json
observed 154709bbf1a941c410f2f2e879a0bd81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:31.713861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072662/publication.md
observed 165e4b71864f2d73bc03c89b7a8b0316...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:31.697984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072662/publication.txt
observed f769b72dc0cd2b406e62a2314cf50dcd...
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.