OpenTechnical

OT-2026-000043401

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000043401) never changes.

Identity and time

Publication numberOT-2026-000043401 · never reused
Internal UUID01a0ae7b-327e-7f6b-83cd-a1da9fe85e54 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043401
StatusPUBLIC

Content hashes

Canonical textb0a9c4902badd08a47050ae544e78dcb903df93d63c2ed664e180340e885b43e
Markdown31b0455aaefc524d32add0851081582c930088a175ad0260d6c0542e9ac22211
PDF
Publication pageb390e492ab10e12bb952015e5b1fcd5f9204d4ba245553d8617ce1caeaddb426
Manifest4f65b8b2c5e9bfb76b13d8fe18e4e23d918e3c365184a172c2cfbbb5818857a3

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
Signaturen4ewm4OxYjqkqZbKP4U2xyX16cMnOZs732L65WcZT5w0w8qBNB/k0YAzyFHrt2eR0JRsqR/EvLEsV4y1+PWEDg==
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

2026-09-17T11:13:56.243353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043401
observed b390e492ab10e12bb952015e5b1fcd5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:56.223944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043401/manifest.json
observed 4f65b8b2c5e9bfb76b13d8fe18e4e23d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:56.204788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043401/publication.md
observed 31b0455aaefc524d32add0851081582c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:56.185271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043401/publication.txt
observed b0a9c4902badd08a47050ae544e78dcb...
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.