OpenTechnical

OT-2026-000078793

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000078793) never changes.

Identity and time

Publication numberOT-2026-000078793 · never reused
Internal UUID01a0ae95-ccbd-7d51-868d-6db47693180a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078793
StatusPUBLIC

Content hashes

Canonical text262c7f3f04341b465081e58ba3e858ef918a6a9c7f6ee6683cef2afb8d4b65ac
Markdownb1120449260a881d191d1c0993af6af393eed20ba8eaa13278d0fa13bfd1b899
PDF
Publication pageb34576c0ff914493c7513c1bc31b1e277e6cd31eabf21642bed572c7ed3be200
Manifest568291a6e5e598c013760d300f6b7d450029c8a4bcbaca0598d0e3dd02c02944

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
SignaturerI7pUC3SmGS5MxVkI0EiJ/c8h2j+i8GJBrP07TmCdo39eV7plpK+FHUf+ULkgiDFmr9Ls6sFS5G0qwgKl7CWAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:05:34.944283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078793
observed b34576c0ff914493c7513c1bc31b1e27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:34.926608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078793/manifest.json
observed 568291a6e5e598c013760d300f6b7d45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:34.907409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078793/publication.md
observed b1120449260a881d191d1c0993af6af3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:34.888137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078793/publication.txt
observed 262c7f3f04341b465081e58ba3e858ef...
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.