OpenTechnical

OT-2026-000030466

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000030466) never changes.

Identity and time

Publication numberOT-2026-000030466 · never reused
Internal UUID01a0ae73-e504-76a8-a709-9d389c1a2b36 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030466
StatusPUBLIC

Content hashes

Canonical textf5c791bfc032677e36d856f348d1dfa14b309801f8c77bf95e482d893eade1fc
Markdown9224b3901dac831cac159bd8f5fd4d5d1868aa422854277a3559b8501c04285b
PDF
Publication page5fb5c45cb01370cbe53568900bfaae5fc6a46d8f41dcc17d7487dc3406e0d9f2
Manifest5d59f4f2302e94bdb7f00a46fd46f4fe56f90b05490f75bc53a12795c2f7f213

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
SignatureEG2AovG0v4pl8amXuykeJ/fS8uL2P1RmQSWZg8TxiJLPGX0nWUTv1UQ/6xhJMxPemVc/PHNK5c0he0GzpEHACQ==
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

2026-09-17T11:38:18.385035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030466
observed 5fb5c45cb01370cbe53568900bfaae5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:18.365360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030466/manifest.json
observed 5d59f4f2302e94bdb7f00a46fd46f4fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:18.344566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030466/publication.md
observed 9224b3901dac831cac159bd8f5fd4d5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:18.326312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030466/publication.txt
observed f5c791bfc032677e36d856f348d1dfa1...
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.