OpenTechnical

OT-2026-000060624

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off after set-down

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-2026-000060624) never changes.

Identity and time

Publication numberOT-2026-000060624 · never reused
Internal UUID01a0ae8a-b7cd-7484-a83b-2bfacdc2df62 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060624
StatusPUBLIC

Content hashes

Canonical textad25d5244acc41ba8e33c506becd4f3951f5ec32a816f0a2f72a7322129ec3b5
Markdown18e042c400d32dbbce5eb7a6ae29c0237d62ad6e84aee3d136a576363e6183cf
PDF
Publication page25a6ccc72b5402da29bfa802f0ae32629fad4ca59db36d0d8e1918f3f18e385e
Manifest485d84eddcf9405904773055c84fc2f921efc2e3a7b4aaf8e4e20c937aabe2be

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
SignatureZZ9PYYcNGhD1bKS5Ti22/5YpeG/OJ8iT4GnQIvM2FdGbnWfjacS8CVBn3nBYvk1bmA6RM1bn2WP3mlq1UQqIAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:43:15.090035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060624
observed 25a6ccc72b5402da29bfa802f0ae3262...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:15.072581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060624/manifest.json
observed 485d84eddcf9405904773055c84fc2f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:15.055017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060624/publication.md
observed 18e042c400d32dbbce5eb7a6ae29c023...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:15.036506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060624/publication.txt
observed ad25d5244acc41ba8e33c506becd4f39...
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.