OpenTechnical

OT-2026-000087818

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, pump fed, supply line pressure sensor, 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-2026-000087818) never changes.

Identity and time

Publication numberOT-2026-000087818 · never reused
Internal UUID01a0ae9b-1aa5-7c88-99a8-eed178c3ef44 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087818
StatusPUBLIC

Content hashes

Canonical text34b2c0ec77089091a243b97b57f852f5cbbfc851b9c6f9c1962c08c9ab2b3dc6
Markdownace0e1f43fe1da93d0f0cf9241facf6d1172c26c5933f47c7c75bdb318c4ea41
PDF
Publication page356c0b27baa28f213183df049f0c81522cb26f1343bafb62f2e7af7cebc90d6f
Manifest11db99313f324937f6bf27c2e3fe687665fb02887d7fc2d28b3aef5966369d20

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
Signaturez1qmX1XhHV95bELrlKM+JQrryrHuFK9nAmGPw80mSy1TOKcHYwB+8OLjj3xbJ0j0DYGUhrE5/vhk/wXHqswCCA==
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

2026-09-17T09:49:03.178688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087818
observed 356c0b27baa28f213183df049f0c8152...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:03.159932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087818/manifest.json
observed 11db99313f324937f6bf27c2e3fe6876...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:03.139121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087818/publication.md
observed ace0e1f43fe1da93d0f0cf9241facf6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:03.119145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087818/publication.txt
observed 34b2c0ec77089091a243b97b57f852f5...
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.