OpenTechnical

OT-2026-000008399

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000008399) never changes.

Identity and time

Publication numberOT-2026-000008399 · never reused
Internal UUID01a0ae6a-e469-7859-a3ec-e100df2f606c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008399
StatusPUBLIC

Content hashes

Canonical text1b2d911fdfaf9874dd894f6008af9f03f03f1143632c60109010ea6a9d2bab90
Markdown2181383ef63c2425bb6cc52c0c53598cbf786a57e8dbc7f7257d4913d9561257
PDF
Publication page97a9c2b8c75a25e10f024bd5308e192b8d74662680be8cf4f391dd6bc237689e
Manifest5fff8f0ba36922ba6b7260d6bc179b986ed91a20236eb8662ad0265bf1e5c7b5

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
SignatureLHXFA8haBSUp5a2VS9/PQ6fDmvroekNa5owNTP8pSmfGlSEpAq+6mhOxA8dRV70Ad+WnJsOUE6+kTYyAajz8DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:14.351567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008399
observed 97a9c2b8c75a25e10f024bd5308e192b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:14.331188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008399/manifest.json
observed 5fff8f0ba36922ba6b7260d6bc179b98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:14.310044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008399/publication.md
observed 2181383ef63c2425bb6cc52c0c53598c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:14.212334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008399/publication.txt
observed 1b2d911fdfaf9874dd894f6008af9f03...
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.