OpenTechnical

OT-2026-000017218

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000017218) never changes.

Identity and time

Publication numberOT-2026-000017218 · never reused
Internal UUID01a0ae6e-76c7-7377-8137-96bcc161f7f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017218
StatusPUBLIC

Content hashes

Canonical text78b27cfd42cb24468bac487ea27f56ac5af0a95cd25554c67e4c30f2284afa8a
Markdowna62b8c092d3443366401a6eed884b9d73ad9dc20523de435a60f56a0ecfe916d
PDF
Publication page079386d6314a69221f4a9d33fb1f7e68a4de5b9080d1aa916a874e149c149e1d
Manifest1e721c23775f317a89bab8dd5b9c2fea575e820c119e9a8388a1cd4bc1fd33fb

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
Signature2wWuF/Vvit8pUqy9JCa0q04A3ne7Mzc9rqybCkfREoxnHINDWjKJHk2/vPfQyucrGRDD1wjr1SsytoLkAekHCQ==
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

2026-09-17T12:02:17.790128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017218
observed 079386d6314a69221f4a9d33fb1f7e68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:17.772337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017218/manifest.json
observed 1e721c23775f317a89bab8dd5b9c2fea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:17.754917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017218/publication.md
observed a62b8c092d3443366401a6eed884b9d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:17.738363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017218/publication.txt
observed 78b27cfd42cb24468bac487ea27f56ac...
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.