OpenTechnical

OT-2026-000041287

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000041287) never changes.

Identity and time

Publication numberOT-2026-000041287 · never reused
Internal UUID01a0ae79-b144-7ab3-8281-0832ec12d997 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041287
StatusPUBLIC

Content hashes

Canonical textdde12c9f7fb897846c72fcd3fcf081dae4e42219f9329400db09df5d465cc8c3
Markdown9da11288415e233f058dd33103d6bb520ef4cb1f1de9e8a1029dfef1d8000053
PDF
Publication page982e674671594d76d49f54937c5cdde673cb6e0c31d03d0e813ea70151760c6a
Manifestcab7589f4d9e4fe32d1deb303d1e461a6a54631982e7875ffac26fead9a5cd36

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
SignaturekRkfdSEtmk/E32HqClWK8HNokT59jhzVOyICfe3OqLzZVAEXDRkJkZ+upyqSujHKtlmvnNrJHzMPlm0nkosnDQ==
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

2026-09-17T11:17:15.995938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041287
observed 982e674671594d76d49f54937c5cdde6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:15.977420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041287/manifest.json
observed cab7589f4d9e4fe32d1deb303d1e461a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:15.958589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041287/publication.md
observed 9da11288415e233f058dd33103d6bb52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:15.941523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041287/publication.txt
observed dde12c9f7fb897846c72fcd3fcf081da...
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.