OpenTechnical

OT-2026-000014211

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, two stage ejector, 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-2026-000014211) never changes.

Identity and time

Publication numberOT-2026-000014211 · never reused
Internal UUID01a0ae6d-b279-7efd-87ac-5d9ddef4b9fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014211
StatusPUBLIC

Content hashes

Canonical text60c3688ebd2593c3b77d3d3eedfab5027e471185c96bceda36b320099aa536ed
Markdownb7dd4c7100a0d77b6a191941b1f4d4850d937a436a27ba0bf95ab3e6a2499f52
PDF
Publication page117089a6c0d96bad0f54cad5ffa80ddab2a3974b89764fb84cc53b2f085d6f6d
Manifest4b48ebc9e6f10716535ac03475384b25d8708f5107041b8f00953573d1c39c39

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
SignatureWLq5a5dVvlYUnAAFMteeJfmOsIZa9rTTFevlO2Lnna69fv+PfzlqLoDsgu1WZ3NgrXNpnijA81YDL5QCQ5jcDA==
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

2026-09-17T12:07:19.044642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014211
observed 117089a6c0d96bad0f54cad5ffa80dda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:19.024806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014211/manifest.json
observed 4b48ebc9e6f10716535ac03475384b25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:19.003142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014211/publication.md
observed b7dd4c7100a0d77b6a191941b1f4d485...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:18.984800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014211/publication.txt
observed 60c3688ebd2593c3b77d3d3eedfab502...
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.