OpenTechnical

OT-2026-000032948

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump 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-2026-000032948) never changes.

Identity and time

Publication numberOT-2026-000032948 · never reused
Internal UUID01a0ae75-4843-7558-9dda-dfe5010aec93 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032948
StatusPUBLIC

Content hashes

Canonical textd429ba4d5e508cb022a07b1f340a4dd44917587c241ead6cc371538929d411c1
Markdown035658b21d54802dd0dd1486ddef662da668cf24370d53104adcd786acab5ea0
PDF
Publication page62fae963682894546b37122d4768bf086e37eab510213f70d014267773e74067
Manifest16ac4c14af3e497efbcbbba4746052ae0c540ad9561b7b9519b1be48dca27db7

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
SignatureGIfOkKNxhQ8WHWz5RBliGltw2lZ6uJIXQ1ou/LfPUqk1He4YbcMJm7zDqcuMIQfaPv7cDBlhq4vSoZ2AiaAUDQ==
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

2026-09-17T11:32:33.080664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032948
observed 62fae963682894546b37122d4768bf08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:33.063364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032948/manifest.json
observed 16ac4c14af3e497efbcbbba4746052ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:33.045863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032948/publication.md
observed 035658b21d54802dd0dd1486ddef662d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:33.027215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032948/publication.txt
observed d429ba4d5e508cb022a07b1f340a4dd4...
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.