OpenTechnical

OT-2026-000021036

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000021036) never changes.

Identity and time

Publication numberOT-2026-000021036 · never reused
Internal UUID01a0ae6f-65e4-746c-9793-2a21a44bd1f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021036
StatusPUBLIC

Content hashes

Canonical textcca27cf1383f0b508e0d7cbadea7f5abe204e0f7bee21a2ac1a3d334e40b965e
Markdown4e74405be9addf64ce169eda2b57a117433f637c73a291cd0a123808d212b340
PDF
Publication paged760e93918b516ce2c70a83f15be4003d7113305b1d288414c258debe624a7ec
Manifestb52e66e51edd79f878a213964da6d2df27b77d154979ae45ae8ab31216528be3

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
Signatureg8JKIujxNJ7qbaMvC/uwZi+TxToRFSCNKIvRj+FE/iGK7N1dU03vqb/Op7oMpnCTRAgwN9RyoFYKKnSWT2UqCQ==
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

2026-09-17T11:56:12.022334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021036
observed d760e93918b516ce2c70a83f15be4003...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:12.005331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021036/manifest.json
observed b52e66e51edd79f878a213964da6d2df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:11.987007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021036/publication.md
observed 4e74405be9addf64ce169eda2b57a117...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:11.969035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021036/publication.txt
observed cca27cf1383f0b508e0d7cbadea7f5ab...
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.