OpenTechnical

OT-2026-000016477

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000016477) never changes.

Identity and time

Publication numberOT-2026-000016477 · never reused
Internal UUID01a0ae6e-2d13-7e23-964e-5f90cef0222d · 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-2026-000016477
StatusPUBLIC

Content hashes

Canonical text64d3d1e6cd09ad014d122818ec06d77812665c86e5a1ecd81a5017a13e4935fa
Markdown220af13ef5aaab7494fd014ca5340ff4fc779b949af48fb409bf152698b7724d
PDF
Publication page50753aebcb32b33c962f9eea79d5f6c2aa29c04953cceeaa18dfd1ebd16098b0
Manifestc4cd36957bbc690ea449f1bf16c3d7342b0e130db40dc58a294a0d458cc856b8

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
Signature7qZun0El8F6+tyh5D5sVTlFIBfYXZXEYC6B7e7rT4xoqZycBmoylW9tl/cEpSVL1bdGqkLQpV7u1iQzpABXeCw==
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

2026-09-17T12:04:40.754633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016477
observed 50753aebcb32b33c962f9eea79d5f6c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:40.736253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016477/manifest.json
observed c4cd36957bbc690ea449f1bf16c3d734...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:40.718879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016477/publication.md
observed 220af13ef5aaab7494fd014ca5340ff4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:40.699696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016477/publication.txt
observed 64d3d1e6cd09ad014d122818ec06d778...
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.