OpenTechnical

OT-2026-000012954

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, pulsed blow-off before 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-2026-000012954) never changes.

Identity and time

Publication numberOT-2026-000012954 · never reused
Internal UUID01a0ae6d-5564-708b-8b9b-6e38e0ca3057 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012954
StatusPUBLIC

Content hashes

Canonical textf75082bffd5ad66e39775f329b93be5fcfbfe8eea9204de6a38be19f8b861cc5
Markdown59d53a4ceb27d52ec01d51e8cf3f9700cbb15888ce6efcaf0353928fdf70f5ca
PDF
Publication page8848b1b88773625e18f886701cb868ecf36151f883a06e4d22dbfbe27d39fc04
Manifest55e0404396801315fe7c137b3039f6e74e39569d39e9e1b342e96e54b6827dba

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
Signature3utTg21ZoZ/QXfBBibKbgXvOl2vtPQcqqoNxdgM186Mj6iWuvY5XFXumu9JTX+6c2EiWlJZEb7I++/UuVj5kCg==
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

2026-09-17T12:10:45.643479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012954
observed 8848b1b88773625e18f886701cb868ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:45.624380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012954/manifest.json
observed 55e0404396801315fe7c137b3039f6e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:45.606094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012954/publication.md
observed 59d53a4ceb27d52ec01d51e8cf3f9700...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:45.587196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012954/publication.txt
observed f75082bffd5ad66e39775f329b93be5f...
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.