OpenTechnical

OT-2026-000017905

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000017905) never changes.

Identity and time

Publication numberOT-2026-000017905 · never reused
Internal UUID01a0ae6e-96fb-731b-b9e8-4830ce04675f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017905
StatusPUBLIC

Content hashes

Canonical textcc7ed78cdd8b627ebc4baec09abdbc211dca23f9358025707d159414a95ef79c
Markdown006149a8de3ef0ae9f252636e4f8e33145acee3334224e24cd3d875e779b8a89
PDF
Publication page08a739d149bec3e7c8ffaacd46094f4ed199aeff097b875599cf323db56070f3
Manifestdda7b61522b12ed9f6924692cdfb23f613e322b77ca2992aca3e3a0ceb371fdd

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
SignatureTFFF0nIj0tzgdrKR00JhioiN4bAi4FVDshGIhDUmS7kk2YWi63BDb8R6uUJXD69A7MIbkgcgJdftFYo5mE02Dg==
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

2026-09-17T12:01:53.762038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017905
observed 08a739d149bec3e7c8ffaacd46094f4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:53.745485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017905/manifest.json
observed dda7b61522b12ed9f6924692cdfb23f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:53.728432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017905/publication.md
observed 006149a8de3ef0ae9f252636e4f8e331...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:53.711163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017905/publication.txt
observed cc7ed78cdd8b627ebc4baec09abdbc21...
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.