OpenTechnical

OT-2026-000091683

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, three stage ejector, pressure sensor per zone, sustained 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-2026-000091683) never changes.

Identity and time

Publication numberOT-2026-000091683 · never reused
Internal UUID01a0ae9d-43b8-7ccc-acd4-81845a05ef0c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091683
StatusPUBLIC

Content hashes

Canonical textec602d85072370e650ef544569e405586d3839fcfd1a5a74a8b9fadf15aa14e0
Markdown3e8a0d386ba54f4e87e6da4fa58fa1e7eaf3bc2662ff5d47d9d7b9fe9383ac2e
PDF
Publication pagef14a28603b0ca263a4dd83750547e82361f124ec1772ad845a3c134befce9512
Manifest447e18640578076d04839a83163a4f241499c25c887d48c197424e4fc4bb76ba

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
SignaturerV6tky0uuW71lCTQxjmlavzTgXluhRjBz8S0E+2P9UFs6nuqFHN1zx4f98tbQtWhDoV1LHP6mYD552TmOx1sCA==
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

2026-09-17T09:41:55.858369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091683
observed f14a28603b0ca263a4dd83750547e823...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:55.840947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091683/manifest.json
observed 447e18640578076d04839a83163a4f24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:55.791777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091683/publication.md
observed 3e8a0d386ba54f4e87e6da4fa58fa1e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:55.742104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091683/publication.txt
observed ec602d85072370e650ef544569e40558...
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.