OpenTechnical

OT-2026-000012708

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single 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-2026-000012708) never changes.

Identity and time

Publication numberOT-2026-000012708 · never reused
Internal UUID01a0ae6d-5562-743d-9318-5d144f5e059f · 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-2026-000012708
StatusPUBLIC

Content hashes

Canonical textd0bc572280262244725e32001148b79ca16e3b393bce19ccc062b81fa9579794
Markdown762cc2bd5080216d516b0404aa8acae3ead7951565ee47f0833d5ba87d9d40c3
PDF
Publication paged2f837d7b12ef6f8764cb61bf3c05f164cc424214aa072d15e7b23856eb7b1ba
Manifest98a7e43685013e9e822954ecaf5cc4bf3c99547f06c63c30b953a68d85d3a364

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
SignatureDEderjkkRqwPZJEqXFerxFJJ7tKDRvryt2ntQSB9gBgQhi11jzMhWdXDd9ZTbJPj/oyJqaWKG116ZpUMKqduAg==
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

2026-09-17T12:10:22.088941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012708
observed d2f837d7b12ef6f8764cb61bf3c05f16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:22.066495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012708/manifest.json
observed 98a7e43685013e9e822954ecaf5cc4bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:22.031784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012708/publication.md
observed 762cc2bd5080216d516b0404aa8acae3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:22.008646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012708/publication.txt
observed d0bc572280262244725e32001148b79c...
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.