OpenTechnical

OT-2026-000024957

Publication integrity record

Single cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000024957) never changes.

Identity and time

Publication numberOT-2026-000024957 · never reused
Internal UUID01a0ae71-2728-74ba-99fe-82e181eb597d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024957
StatusPUBLIC

Content hashes

Canonical textdcd3bbffa9723b383d6276e63ce379e797c8e39c39264677d5fad5c6b9c93ca1
Markdown161c9e5f41066120095e30080f307c02c540c9171445578581dcfa06e2c5824c
PDF
Publication page64dbf1fe1cb07096df67bbed591552df64d91593b8d56c00805c75ba6910341e
Manifestdcbe7d0cee895915c463aa92d1c4d57d3f7524de527c6f8bfe11ed20d97db60f

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
SignatureaAg9X4VpzbvLkH4ZXtkMLp3N4/S5fOI18mEB/1HeDEAAt4TvV4oEhXjvZ8ExYuSJ9Gos0MOdCF3OtICG+vSvAQ==
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

2026-09-17T11:48:18.442484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024957
observed 64dbf1fe1cb07096df67bbed591552df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:18.424936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024957/manifest.json
observed dcbe7d0cee895915c463aa92d1c4d57d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:18.405658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024957/publication.md
observed 161c9e5f41066120095e30080f307c02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:18.388241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024957/publication.txt
observed dcd3bbffa9723b383d6276e63ce379e7...
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.