OpenTechnical

OT-2026-000100212

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, 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-2026-000100212) never changes.

Identity and time

Publication numberOT-2026-000100212 · never reused
Internal UUID01a0aea3-3053-7a43-ba30-5bf50e6c1248 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100212
StatusPUBLIC

Content hashes

Canonical textf1514ba2c66ba529ba8e77c2ed7ff5bee24fe8a2741d2c02fc8e6b6778c2af01
Markdownfb1f6b198d3adeb839b5d5b18499474d1cdfc7a9fb9814a6681f4dbb8393f00d
PDF
Publication pagef4bd3b79037b4eed0cc4a6ef306653bb38ee71e7995d57b2cd250f1fb4b70d0c
Manifest69c17bf250bffe77821c3b75eb7dd0f1790d0b77ce26d14fe97fd0541ff700fc

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
Signature8XYhGmbkrSBxT9nfx9bJ+Hk2zIOCXZCUERPj7sMLbjJsiavuMa8rFQ4fbJ+ax0OVLiEpIVbYNlVpjDYssbPdDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:56.246203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100212
observed f4bd3b79037b4eed0cc4a6ef306653bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:56.228665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100212/manifest.json
observed 69c17bf250bffe77821c3b75eb7dd0f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:56.210849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100212/publication.md
observed fb1f6b198d3adeb839b5d5b18499474d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:56.192468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100212/publication.txt
observed f1514ba2c66ba529ba8e77c2ed7ff5be...
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.