OpenTechnical

OT-2026-000046388

Publication integrity record

Single bellows cup vacuum gripper, pump fed, supply line pressure sensor, pulsed blow-off after 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-2026-000046388) never changes.

Identity and time

Publication numberOT-2026-000046388 · never reused
Internal UUID01a0ae7e-57db-723e-bcf4-83c636dea078 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046388
StatusPUBLIC

Content hashes

Canonical text1d75eba60f105eb27a2cccecc8051c04678120ad995cd15eb45c2013831bbd7d
Markdown4707b0a485fdd6e5ee48e93fca875f6af68f442712cce79a20fe7eda0dabf436
PDF
Publication pageeb2c506484dcd6780c6037ef0addcb17b5d83b5e0cb9a05c3f5f240933bc10b6
Manifest56393ea09016b57bc9822789bf9767cf94003836268b567445f0b53e93f9868a

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
SignatureguTvA3RwCAh2tqOhgHEjAjw/qTfhYsl5+5qewmm6WEBploQXH0t+5CE6+x9zVLgCtMeGVPQPIq4BpA5PTpU2Cw==
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

2026-09-17T11:08:23.528049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046388
observed eb2c506484dcd6780c6037ef0addcb17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:23.508333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046388/manifest.json
observed 56393ea09016b57bc9822789bf9767cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:23.487611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046388/publication.md
observed 4707b0a485fdd6e5ee48e93fca875f6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:23.468583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046388/publication.txt
observed 1d75eba60f105eb27a2cccecc8051c04...
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.