OpenTechnical

OT-2026-000016440

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000016440) never changes.

Identity and time

Publication numberOT-2026-000016440 · never reused
Internal UUID01a0ae6e-2d13-728b-881b-d6d3a34e1572 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016440
StatusPUBLIC

Content hashes

Canonical texte88ec496e418626e744140b46d1bf2c460d8eb6d051a94beb52c23e82ee86d14
Markdown7705943d2fd9e97f3b509724ef9f99369a6a88ab7d5fa2eb2f8e4d7b82d3d301
PDF
Publication pagec446cb758e09928fc279a8491ea824bf6d3f50fbc4d99395fd392549d08c4d33
Manifest274644b8c042cc4aa9fe3b2329769c53b3bfb858039138b42c74a533380dc996

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
SignatureaYEE5QXVoczpyhbZyfcRW32hCQcm5OHqzuT6AMiCQElvn2lcOymm73MSRlam07Msl0PIEm59NJWJ3B5DdrYnCQ==
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

2026-09-17T12:04:32.376403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016440
observed c446cb758e09928fc279a8491ea824bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:32.358918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016440/manifest.json
observed 274644b8c042cc4aa9fe3b2329769c53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:32.339414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016440/publication.md
observed 7705943d2fd9e97f3b509724ef9f9936...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:32.319814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016440/publication.txt
observed e88ec496e418626e744140b46d1bf2c4...
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.