OpenTechnical

OT-2026-000042697

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000042697) never changes.

Identity and time

Publication numberOT-2026-000042697 · never reused
Internal UUID01a0ae7a-c0cf-7a45-a6e4-0767c2dd800d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042697
StatusPUBLIC

Content hashes

Canonical textbe10c3fa2ce1bbc1eddd498bdf65f98809e5e760583f9cdf9d9011fe509dc92d
Markdownd3471e0ae57f7d51b5ecfaa038c8268a5883535305c5f412006df7487457644f
PDF
Publication page9a629defc21d04507a62874050b01baf9173c3126e8ce1c59f7d538879af1ebf
Manifest29d4b9bf3aca7b451889d9fe5def611b2e029a0c5b64c1fc9520e8e4f16d18ec

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
Signaturemx7jF5v29E6m0Yir+uTB9inCIqBPp1v7XFilNymq6mSxC+ApUcYcth70NvBKQnCF0domkM+vShAs9+yjxt3mDg==
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

2026-09-17T11:14:00.337946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042697
observed 9a629defc21d04507a62874050b01baf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:00.317906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042697/manifest.json
observed 29d4b9bf3aca7b451889d9fe5def611b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:00.277236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042697/publication.md
observed d3471e0ae57f7d51b5ecfaa038c8268a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:00.212889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042697/publication.txt
observed be10c3fa2ce1bbc1eddd498bdf65f988...
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.