OpenTechnical

OT-2026-000023231

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, pump fed, 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-2026-000023231) never changes.

Identity and time

Publication numberOT-2026-000023231 · never reused
Internal UUID01a0ae70-7267-7d54-861e-18af9e86bb3b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023231
StatusPUBLIC

Content hashes

Canonical text92e93445770817cea185f923cdd42a7e5a4507e340b2561bc49efcdfa7c5d7ac
Markdown7b3194db1ba2537ec91905631aa3c416032154657c3303bf8e622605fd3420d7
PDF
Publication page40758f8958e094eb59b124dd1a76c7b68e1c37246391cf13c31acc454a06540e
Manifest0b90e991eba0236774335b5e08b70bd103d0f660246c7175d4122c1a2776529c

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
Signaturezw7g9oX8ds6Rgu+wsf9zV5PE/B/Lu0vTjD4L6khA4n4fm/qYdH+dyuW1viSOAkoAvDot8MQucxtkACjK0WdNAw==
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

2026-09-17T11:51:17.444000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023231
observed 40758f8958e094eb59b124dd1a76c7b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:17.425628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023231/manifest.json
observed 0b90e991eba0236774335b5e08b70bd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:17.407616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023231/publication.md
observed 7b3194db1ba2537ec91905631aa3c416...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:17.388903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023231/publication.txt
observed 92e93445770817cea185f923cdd42a7e...
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.