OpenTechnical

OT-2026-000023840

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000023840) never changes.

Identity and time

Publication numberOT-2026-000023840 · never reused
Internal UUID01a0ae70-aed5-7965-b139-3535296289c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023840
StatusPUBLIC

Content hashes

Canonical text98b57391af8d50cdbb2d47a2e40303e183026f0133113eac45ee4b76a73ac74a
Markdowna5a387833a4b31c9170a75d404dc1ce73cec2209560ca61f8682d04e36c1f420
PDF
Publication pagec7fc34d3bf8e10b060c81b49a1d45642c56ef021c6a6ac4ccb91681d63b0ca5f
Manifest26aa3d28ceeef207345740e9c8ff1081f1e84f3f44a55fa519582516f9b90231

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
SignatureelKhOE3bQZkQLyFaViWXl9yIoLCJ+7V6xg2OhrT05xAfJGiCk++fKdv7LczrEg+NGV/cbh4P260EII5ZzGi1CQ==
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

2026-09-17T11:50:19.911546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023840
observed c7fc34d3bf8e10b060c81b49a1d45642...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:19.893411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023840/manifest.json
observed 26aa3d28ceeef207345740e9c8ff1081...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:19.873786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023840/publication.md
observed a5a387833a4b31c9170a75d404dc1ce7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:19.850231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023840/publication.txt
observed 98b57391af8d50cdbb2d47a2e40303e1...
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.