OpenTechnical

OT-2026-000079303

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

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-2026-000079303) never changes.

Identity and time

Publication numberOT-2026-000079303 · never reused
Internal UUID01a0ae96-0b90-7610-b55d-55d067237c1e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079303
StatusPUBLIC

Content hashes

Canonical textba5463bf045cfe65fcdaaa7b71b08779c9217d41b2e90043bde1b4915f6ee52c
Markdownd2b857c312af9e97b0a62bb4f66dc81a225b5c81659981fd399f8194520c0b28
PDF
Publication page304028664f827441ae9a8a89766b8b71b497a3d1f6034cbe4fe473ca702d6823
Manifest8229fee39abe238878764a0a67b8c49a54a45eb4a7634f596c5d0146613676cf

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
SignatureT87b604GoOya+O741YfafZ/+9Ij75/e1ZnUmplLr4/VT2/Erglqiy3C+nmcpWtskzJyuYU7DiPKILBzH/3nWAA==
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

2026-09-17T10:04:54.869402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079303
observed 304028664f827441ae9a8a89766b8b71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:54.851590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079303/manifest.json
observed 8229fee39abe238878764a0a67b8c49a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:54.832998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079303/publication.md
observed d2b857c312af9e97b0a62bb4f66dc81a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:54.814983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079303/publication.txt
observed ba5463bf045cfe65fcdaaa7b71b08779...
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.