OpenTechnical

OT-2026-000026531

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, pulsed blow-off before 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-2026-000026531) never changes.

Identity and time

Publication numberOT-2026-000026531 · never reused
Internal UUID01a0ae71-f4a9-7679-b311-229808300437 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026531
StatusPUBLIC

Content hashes

Canonical text9305d05c2609ed190334f7aae4767154ddee00783f2eecf6bf0c51b0e5cd7614
Markdownf66650a049292ac4cac0b46e02799cb02f8815eb534fa8bd2c1471da5ebcccff
PDF
Publication page0c7c6ffbcd455dfbc48dbf2f6bcc06e0bca0296f3c333d4e6299bf9381aaeea2
Manifestd1224e79a5e1162c47c58a2292b046edc16c32f55790c382ad26214e78fbbcc6

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
Signaturec01V9PDqoysvqkphtMvZcj5+3wBIebjC8VLwWUIXrWEBty7WVjs1E+8rvOWhieVLtD1CuB0EKLYKpaQw5JQlAQ==
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

2026-09-17T11:44:39.632534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026531
observed 0c7c6ffbcd455dfbc48dbf2f6bcc06e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:39.615867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026531/manifest.json
observed d1224e79a5e1162c47c58a2292b046ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:39.597640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026531/publication.md
observed f66650a049292ac4cac0b46e02799cb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:39.576358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026531/publication.txt
observed 9305d05c2609ed190334f7aae4767154...
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.