OpenTechnical

OT-2026-000026867

Publication integrity record

Two cup vacuum gripper, two zone face, 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-2026-000026867) never changes.

Identity and time

Publication numberOT-2026-000026867 · never reused
Internal UUID01a0ae72-3452-785f-a4da-be9055ef9763 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026867
StatusPUBLIC

Content hashes

Canonical text4dbaf2143524591447076acebd2d0d496f0afb30a8abf0d2275e3f5573e9b115
Markdownb3d26853891416589151b86a030279f4a55c1ef118e9fe3679296c19fc8ee240
PDF
Publication page36a0c013f483909bf671daa1bfdbd39b9f9dff331ce0b5ed1d9ee5eaae6e9791
Manifesta73faf26d92afad5c2d1671da2bbfe4c2ce782e706c5b019602016ed65052cb7

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
Signaturebc/K4cMTdA2FXJaH5foZzRfobo4DC3YYJREDDQ8D2LFFYuJ8JyaSwLliYSZ9SIFpLZutoyKFhUruj/x9ZxYXAA==
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

2026-09-17T11:43:28.213975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026867
observed 36a0c013f483909bf671daa1bfdbd39b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:28.196606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026867/manifest.json
observed a73faf26d92afad5c2d1671da2bbfe4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:28.179446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026867/publication.md
observed b3d26853891416589151b86a030279f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:28.161839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026867/publication.txt
observed 4dbaf2143524591447076acebd2d0d49...
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.