OpenTechnical

OT-2026-000017143

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, 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-2026-000017143) never changes.

Identity and time

Publication numberOT-2026-000017143 · never reused
Internal UUID01a0ae6e-76c7-74d2-a2b9-dc081ea75437 · 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-2026-000017143
StatusPUBLIC

Content hashes

Canonical text8a11fff1226dbab8c64c74b02e8795f8504e28231d0a7a076e8c82369f998415
Markdownad7d9f20b80399f1afd640b67fdd9d2ab64a0deb4facf2e269a59512f156f09c
PDF
Publication pagec67cea8f52d5a5de28ab14fc256d8ca6f9212cad6d3cf35328692d73bf5d10de
Manifestf68c8baa930202a5c362336614c7053045c497c3129b09d483c6c8b63ff4e19b

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
Signature9+upIbKP+e8a6P1k9lBrJ3BOkIRfycaDajw9rnafk0Ht2k5Ck3RyoK9KxZ3g4nMYJx7lmXsizSccVtToo3d5AQ==
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

2026-09-17T12:02:12.158050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017143
observed c67cea8f52d5a5de28ab14fc256d8ca6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:12.140965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017143/manifest.json
observed f68c8baa930202a5c362336614c70530...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:12.123748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017143/publication.md
observed ad7d9f20b80399f1afd640b67fdd9d2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:12.107381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017143/publication.txt
observed 8a11fff1226dbab8c64c74b02e8795f8...
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.