OpenTechnical

OT-2026-000099540

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000099540) never changes.

Identity and time

Publication numberOT-2026-000099540 · never reused
Internal UUID01a0aea2-c975-73f4-a559-24b17db9a48f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099540
StatusPUBLIC

Content hashes

Canonical textf27296371b1d9f239bd9b0ff21061d5c4d6ad640b168827f6b88e32bed7e2337
Markdown2ae20f7709c7cc788c5edab64db4604441ae7135ffe842835c76cbfe89b2629d
PDF
Publication pageea0f6ea91123446fb03d2cc97fd56a39098627326fb417ea9bafc9b136f4c872
Manifest19eada044f5564db7fde09fa86ea7ba6d3e19b4d6210c0e5bf0d09340b306ba3

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
Signature7y4dGgw8zl2Riz8Mf3bUBvCf7ExLJB+MTpCKINXszDJaVlJgafyubg+8hTTWHlD3P+wxOSvB1Hr29GH0oCE3DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:26.635347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099540
observed ea0f6ea91123446fb03d2cc97fd56a39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:26.615974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099540/manifest.json
observed 19eada044f5564db7fde09fa86ea7ba6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:26.598737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099540/publication.md
observed 2ae20f7709c7cc788c5edab64db46044...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:26.581001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099540/publication.txt
observed f27296371b1d9f239bd9b0ff21061d5c...
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.