OpenTechnical

OT-2026-000025256

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000025256) never changes.

Identity and time

Publication numberOT-2026-000025256 · never reused
Internal UUID01a0ae71-5fa6-73ca-93e2-5f5fb9ccd305 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025256
StatusPUBLIC

Content hashes

Canonical text9ef8fc1aaab670276c00d516c7ed8b2555d01be81c42f342810ad7cb4f7cdd07
Markdownc3218fe238abc3f3e0f55af49af179f0b5ce709db22366521aed0e2f57d72aa7
PDF
Publication page8cf46ea4909c02484a6977f5eda5fc37b62246f6e6e09830fc56b4123d80d76d
Manifest99854fb3aa9791ade7fbc8e7eb62d9e63d3a57fbda2e65799def3b2a86c86b33

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
Signature+rG51oHGwbR2GIUjGU94AzCWpz4O0TazmEYdaE3ZFzKE4j9ej2exMVVzH4b2+lu/Kmj7pRuqge+wk+G3opL3BQ==
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

2026-09-17T11:47:15.811838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025256
observed 8cf46ea4909c02484a6977f5eda5fc37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:15.795608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025256/manifest.json
observed 99854fb3aa9791ade7fbc8e7eb62d9e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:15.776615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025256/publication.md
observed c3218fe238abc3f3e0f55af49af179f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:15.757870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025256/publication.txt
observed 9ef8fc1aaab670276c00d516c7ed8b25...
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.