OpenTechnical

OT-2026-000043887

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000043887) never changes.

Identity and time

Publication numberOT-2026-000043887 · never reused
Internal UUID01a0ae7b-d677-74c2-813c-a45456c6a102 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043887
StatusPUBLIC

Content hashes

Canonical text2a41a9f846fbfeb6ca81015ba0e77930a9d92b8ad4bbb7025bd7ee8949c301bf
Markdown9655c7ab25a18f80b5e98e64c623ffb45e6cca0892506cd1980b4f041886378e
PDF
Publication page2fed65f635e815b56aa557afec9ad3857dafd5b3120d7ecd2e08dd698ffa16d1
Manifest0a87343c072f468be4741228be0820278d4873960e61c751c9f257468e2cfc56

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
Signature4hZPQaggbGwXTNNpCv0kyhEJlps0yBHybHtubdDtpy958TTc2/P/OCWITvlaO3TLDVTiIV5hnu3I3yiGzwPBBg==
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

2026-09-17T11:12:13.151716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043887
observed 2fed65f635e815b56aa557afec9ad385...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:13.132399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043887/manifest.json
observed 0a87343c072f468be4741228be082027...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:13.112661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043887/publication.md
observed 9655c7ab25a18f80b5e98e64c623ffb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:13.093979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043887/publication.txt
observed 2a41a9f846fbfeb6ca81015ba0e77930...
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.