OpenTechnical

OT-2026-000013749

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000013749) never changes.

Identity and time

Publication numberOT-2026-000013749 · never reused
Internal UUID01a0ae6d-8de9-719a-b953-471a224b405c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013749
StatusPUBLIC

Content hashes

Canonical texte5d78da7e5bafda7da64604b74cd9823f1b9c411a011e46b595698d14df784af
Markdown0310d5c398b9b3eea110c1a5056a27871972e92ecb4d3ef523aaf5c4d375b33e
PDF
Publication page4221c8e2c13c22a0df87f28ff3228a32daf8c92d61347231978ddd1a061db06b
Manifestdf8c222aefba914f17a5e18336ef4126e981cd6b06fa587f79ed02ea571e06fc

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
SignatureF7jMh2oOXz4xrJROeLPIFh+rCeOXjpK2aS33/cNcuKJT8VRZitk31Kag9JVy38PRwk9ultGfJ9aaJrIO9ssHAg==
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

2026-09-17T12:08:49.107458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013749
observed 4221c8e2c13c22a0df87f28ff3228a32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:49.087531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013749/manifest.json
observed df8c222aefba914f17a5e18336ef4126...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:49.067719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013749/publication.md
observed 0310d5c398b9b3eea110c1a5056a2787...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:49.046061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013749/publication.txt
observed e5d78da7e5bafda7da64604b74cd9823...
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.