OpenTechnical

OT-2026-000068683

Publication integrity record

Foam pad vacuum gripper, two zone face, four 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-2026-000068683) never changes.

Identity and time

Publication numberOT-2026-000068683 · never reused
Internal UUID01a0ae90-2483-7775-96bf-2825b03a46ad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068683
StatusPUBLIC

Content hashes

Canonical text8848afac7ad62af5aa83cb232cf67e616b01618ebd631aabe958c715d068a4b9
Markdown741e92b72afa12c9ac26888643976b4aee5e4d783d23f18e3246e52be8717a7d
PDF
Publication page09ce4ac4917f76fba318fef10c6d63ce087f7fee0f8e00cb4ab54baa5f6033e5
Manifestdc7e61abb1ac477c6f8fef36d42015776e2e9fd8b1b0e6248917a173ba2a213b

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
Signatureq9k35GX/WCN48UNvDYDR/J5axd1Mvn4++s+C3D3H3QN+y0DnvwV9/q4L9xnYojrp4vzBAnK5UFEXYA/yzJAzBg==
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

2026-09-17T10:29:53.135306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068683
observed 09ce4ac4917f76fba318fef10c6d63ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:53.117906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068683/manifest.json
observed dc7e61abb1ac477c6f8fef36d4201577...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:53.098900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068683/publication.md
observed 741e92b72afa12c9ac26888643976b4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:53.079401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068683/publication.txt
observed 8848afac7ad62af5aa83cb232cf67e61...
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.