OpenTechnical

OT-2026-000030823

Publication integrity record

Two cup vacuum gripper, two zone face, three 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-2026-000030823) never changes.

Identity and time

Publication numberOT-2026-000030823 · never reused
Internal UUID01a0ae74-3fb5-783f-936e-d302a57b6402 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030823
StatusPUBLIC

Content hashes

Canonical text0f4a72b58af97a2cef27f9bf1c655da267042c0a2cb1642fb1c77d1680a2d25a
Markdown1405902a8955b0ac16535533aff56964e9917f1687f1df790bb839c033016dd8
PDF
Publication pagee138e047b24e00f4d560c8b42062b411256d3114996adf937b4255245f145e88
Manifesta879162d76a6d8db9ae7dd7958ad7845ce92505e0c8bee2ce0a531e3d412b1e4

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
Signaturexip6CHGRqdSV7sIY1vBEZqdZhTn+unhNLW/rvJ4ogoX+zVkXscCjwe8H7AvD7F8fyhmoqHQR1oTx5DJWZrOOBw==
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

2026-09-17T11:36:47.786052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030823
observed e138e047b24e00f4d560c8b42062b411...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:47.769108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030823/manifest.json
observed a879162d76a6d8db9ae7dd7958ad7845...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:47.748470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030823/publication.md
observed 1405902a8955b0ac16535533aff56964...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:47.729589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030823/publication.txt
observed 0f4a72b58af97a2cef27f9bf1c655da2...
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.