OpenTechnical

OT-2026-000086163

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, pump fed, 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-2026-000086163) never changes.

Identity and time

Publication numberOT-2026-000086163 · never reused
Internal UUID01a0ae99-e82c-7f5a-940d-ed1a07ec5a68 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086163
StatusPUBLIC

Content hashes

Canonical text7319a10c2c94122d2ddedc5c298b382f0461aa68a773916ed35a7f90c7e1c6ed
Markdown76dc8bc3dd129ce0604355bea2b27b0601bd302d7aac67036cb812d67a89c6aa
PDF
Publication pageb287d461f3d0edeb653656c98c1f3565d3a8348ee2f5a07d42d020dc2d47c2ef
Manifest6da75f734fc5cdbe7f8d093c83195b3b5c53da29b6a193f12cad95aa8439ad98

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
SignatureXVkszu8b5/1yZIog5lcQq/3jlHXbWOgKBXJtx/EVSoW7kSxFVFgP0o5rIgPM+p9AiAic2i8gccgJHh+SYK3fDg==
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

2026-09-17T09:53:50.189833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086163
observed b287d461f3d0edeb653656c98c1f3565...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:50.173165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086163/manifest.json
observed 6da75f734fc5cdbe7f8d093c83195b3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:50.157020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086163/publication.md
observed 76dc8bc3dd129ce0604355bea2b27b06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:50.136094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086163/publication.txt
observed 7319a10c2c94122d2ddedc5c298b382f...
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.