OpenTechnical

OT-2026-000047974

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three 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-2026-000047974) never changes.

Identity and time

Publication numberOT-2026-000047974 · never reused
Internal UUID01a0ae7f-c422-7a1c-82c8-38a1bb0e3244 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047974
StatusPUBLIC

Content hashes

Canonical text6a4cd4858f5297a8fcd6c5e80541d4fcc8d1cacfcb08777d186d696d4a1f97cb
Markdown84f303832b54ecfa2dd54adca0dccb547ae9c90f99ca02c17a7fd11ad39b9f37
PDF
Publication pagedae76828291017e03a664914fbc9efd47380b2b345807f6e80a5075b65a76b0e
Manifestec57b9f727dac7334e6db99825d158fb53c11967bd48069aff6ce504e53bd249

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
SignatureUns0gzfjk96fMVWLhgqKPrB84WFYKQz7H8ItOLVucFNL1JUXdYwvZP6OUjEslhRFGv8/u+DHPLbOPk5rrH5SCQ==
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

2026-09-17T11:05:57.173579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047974
observed dae76828291017e03a664914fbc9efd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:57.155051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047974/manifest.json
observed ec57b9f727dac7334e6db99825d158fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:57.135919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047974/publication.md
observed 84f303832b54ecfa2dd54adca0dccb54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:57.116945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047974/publication.txt
observed 6a4cd4858f5297a8fcd6c5e80541d4fc...
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.