OpenTechnical

OT-2026-000043300

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, pulsed blow-off after 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-2026-000043300) never changes.

Identity and time

Publication numberOT-2026-000043300 · never reused
Internal UUID01a0ae7b-327d-72b3-a732-d0cb617ccd51 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043300
StatusPUBLIC

Content hashes

Canonical text3006cba942856aeaa5e08071b2e784cf66a7e092239db62167df61e7a13639e2
Markdown86a9f45193793d125b8ab6528c0da97a9dc1e96dd85d8351dbcf84775b65bb7f
PDF
Publication page0471bc07eeb71df3ff98ccbcec763aeb5383745841de2231e8920209a67e3e95
Manifest6f4d4f5ece5fc3989051af942a839b96a4e2fcb1aec288d5c23a4bae25a33cae

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
Signatured1TQDmy2WcV5TVuiijsE43Nm1z3OerfJQE4ulSmJKbvi2CgMpzd9wGLgduZlU+zHbaQFO+JjQfiVf0XZKM58Dg==
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

2026-09-17T11:13:47.835751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043300
observed 0471bc07eeb71df3ff98ccbcec763aeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:47.817504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043300/manifest.json
observed 6f4d4f5ece5fc3989051af942a839b96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:47.798941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043300/publication.md
observed 86a9f45193793d125b8ab6528c0da97a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:47.779718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043300/publication.txt
observed 3006cba942856aeaa5e08071b2e784cf...
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.