OpenTechnical

OT-2026-000026502

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, manifold 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-2026-000026502) never changes.

Identity and time

Publication numberOT-2026-000026502 · never reused
Internal UUID01a0ae71-f4a8-7120-b389-acdf280fe8f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026502
StatusPUBLIC

Content hashes

Canonical texteb2ddaf87467f75c42192c8381ddfdf44a4d9eda0bd1a23ae854fecdda7b5d27
Markdown3b24fbefd1e83b208115a724581fec647303f01e802a77aa6da84c7704b41a39
PDF
Publication page5559e3044163c06d90177665a5b2c76ebffd7bbacaf1eb11e901b89b58915610
Manifesta9f06b60dd047841270162724eebd2f862e5944b9393a76d5d050967ae27f024

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
Signatureb3cYo5W2N5HXrjKaDxDf03fPsk6Vyvb+4wzHOJJyCBZHmWX289JF6CeH3UgJhmbkVKops27agN85YZ/GR7NSAQ==
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

2026-09-17T11:44:27.183562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026502
observed 5559e3044163c06d90177665a5b2c76e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:27.163956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026502/manifest.json
observed a9f06b60dd047841270162724eebd2f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:27.128002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026502/publication.md
observed 3b24fbefd1e83b208115a724581fec64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:27.096858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026502/publication.txt
observed eb2ddaf87467f75c42192c8381ddfdf4...
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.