OpenTechnical

OT-2026-000016229

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000016229) never changes.

Identity and time

Publication numberOT-2026-000016229 · never reused
Internal UUID01a0ae6e-2d11-74a5-b570-be6bc9869e3f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016229
StatusPUBLIC

Content hashes

Canonical text1d8655c458f8dcdc33c82d516fb313471a2e0c1c44d88285ad6cd1bbeeed18e2
Markdownc26f198df3684765b745a360099d9df6143783b578b0c65d1cba1d80d77ecc39
PDF
Publication pagea0575978b34f28203e81785c2aa58c7ae63c0f841ddd43bb8b6feca68e6ea0c3
Manifest0d06b88c9777cc6a5fcb2bcb2d88fa4828a75b7b34d01380d00d789a8fd06c14

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
SignatureVt7v9w1XNYBW5lTsDyuHJwyrm52jveTPKP3zMXAXv+WlAqIbnUTUh2H0aaq8S3+KgmhFkSb2L1Wl6GFMjXBdCg==
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

2026-09-17T12:03:41.725698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016229
observed a0575978b34f28203e81785c2aa58c7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:41.709198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016229/manifest.json
observed 0d06b88c9777cc6a5fcb2bcb2d88fa48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:41.692767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016229/publication.md
observed c26f198df3684765b745a360099d9df6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:41.675960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016229/publication.txt
observed 1d8655c458f8dcdc33c82d516fb31347...
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.