OpenTechnical

OT-2026-000023713

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, sustained 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-2026-000023713) never changes.

Identity and time

Publication numberOT-2026-000023713 · never reused
Internal UUID01a0ae70-aed4-765b-b650-6ebb615918d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023713
StatusPUBLIC

Content hashes

Canonical textedcea9a38be20990ceb5c56cdd306f3b56713adc4287deeae5ee1403001f00b7
Markdown65244741683c048e241baea4597e93d9810bde2aaf437e655f6d1ad2a8a545f5
PDF
Publication page3460511f7d97d289dd60b61f742deadd807aa941b9595f2c07adadfdd6cf5d14
Manifestb71c39aa84c830bb30a2084d258d6a4a14cd1ab21f9e6c9dde9c67a4c4288652

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
Signaturee4++CZdi7vSd+vYNJH9Ho7bCwXgOYENV5Evx1WS9tRC8mkrtYu5WxCw0OEV4S5q3RSzZNs3B+tISvT5r26DzBQ==
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

2026-09-17T11:50:03.049689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023713
observed 3460511f7d97d289dd60b61f742deadd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:03.029304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023713/manifest.json
observed b71c39aa84c830bb30a2084d258d6a4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:03.008984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023713/publication.md
observed 65244741683c048e241baea4597e93d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:02.991631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023713/publication.txt
observed edcea9a38be20990ceb5c56cdd306f3b...
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.