OpenTechnical

OT-2026-000019074

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000019074) never changes.

Identity and time

Publication numberOT-2026-000019074 · never reused
Internal UUID01a0ae6e-d523-7fe1-bacc-7626c2ae360d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019074
StatusPUBLIC

Content hashes

Canonical text63bbb65b5c28f2d5b846aaf2fd63fa50f6ba01ca265e5d5d06930156a933aa45
Markdowne1e703b1babbb895c3b09469e73db6141e0f318f12ad7581d4a49b63229063b3
PDF
Publication page2bfe450fc104561d0bf09d11d6d03c27a06acb98254d3f973b2fd72ce3b373f8
Manifest8085aaeb439120c9325bf6e4ccc95bc2b1a2beb2a707a94a486259e884b13e67

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
SignatureL4aBnPf6mZVoWpnYZs6cu2LsJgRRfzstO17I/+8yj7kwgIQtlDW9y8xG8SVmXFYhYzpfzxTanZS4FhkFV5xvCw==
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

2026-09-17T11:59:46.637835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019074
observed 2bfe450fc104561d0bf09d11d6d03c27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:46.618963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019074/manifest.json
observed 8085aaeb439120c9325bf6e4ccc95bc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:46.599139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019074/publication.md
observed e1e703b1babbb895c3b09469e73db614...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:46.581585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019074/publication.txt
observed 63bbb65b5c28f2d5b846aaf2fd63fa50...
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.