OpenTechnical

OT-2026-000048556

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000048556) never changes.

Identity and time

Publication numberOT-2026-000048556 · never reused
Internal UUID01a0ae80-4de7-76cd-be92-439d8bf1fa64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048556
StatusPUBLIC

Content hashes

Canonical text0cd5861af3e66960f8c71ce9b574bcde819fbe06066a545923812d109000cbdd
Markdowna9cfc8258eb229c10b1fa1b0f3ef240b06290f85b44262f73c80aa24b9aa9877
PDF
Publication pagec17e99793e7128f9b48e6ea42c52379b9fa329d0b8bd28a3a95037555847581a
Manifesta42b1d7781261ced1f17d80f97579832452f7ab1248de3c5d3b745226eacb958

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
Signaturexsy81TyltBrUG21ilDq5oeXE9tcHRGxjjRV7Jq3Mh8K0yJqdDHFeZBNvqOECmVecWh6RIrKYhoZK83aqQmc3AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:05:21.171689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048556
observed c17e99793e7128f9b48e6ea42c52379b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:21.147855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048556/manifest.json
observed a42b1d7781261ced1f17d80f97579832...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:21.123592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048556/publication.md
observed a9cfc8258eb229c10b1fa1b0f3ef240b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:21.101864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048556/publication.txt
observed 0cd5861af3e66960f8c71ce9b574bcde...
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.