OpenTechnical

OT-2026-000026047

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum 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-2026-000026047) never changes.

Identity and time

Publication numberOT-2026-000026047 · never reused
Internal UUID01a0ae71-a840-71ab-aad1-df0e3fc1c143 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026047
StatusPUBLIC

Content hashes

Canonical textb3ccac74d50fbb1586a39d6d685453d619710cc0cc4a95d99b40a48d740baa33
Markdownce921ef4d21e15b7949c985755c2c9a1f94d3f482a98a61553448ce0e64e9250
PDF
Publication pageac3d9782b8baff708e29d021046deea544eec4d8e041f00783dfe2e78c000494
Manifestace102f224f9fbdb8fbd260b384c3fd917594aee587ab0b4d7171b300261932c

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
SignaturexhbadYYPy6e3Xpaz+RjT+2oAjSjkYTTGKKaFWtZbaZ4RMcA6KN5MESazsm3Uc7e/bbAfcvjXklL+swB5AaNuCg==
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

2026-09-17T11:46:31.917093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026047
observed ac3d9782b8baff708e29d021046deea5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:31.895320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026047/manifest.json
observed ace102f224f9fbdb8fbd260b384c3fd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:31.873817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026047/publication.md
observed ce921ef4d21e15b7949c985755c2c9a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:31.850375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026047/publication.txt
observed b3ccac74d50fbb1586a39d6d685453d6...
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.