OpenTechnical

OT-2026-000025720

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold 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-2026-000025720) never changes.

Identity and time

Publication numberOT-2026-000025720 · never reused
Internal UUID01a0ae71-9bca-711b-85b0-9f7c77079ff7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:56.183170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025720
StatusPUBLIC

Content hashes

Canonical textf0c0bff35c4ebd6ba88b3739643928f55f51e12e7269e343810848d3776b0e0f
Markdowncf2773482bc396bdf1a749102984a389f0a16780fcaf0105536b08f9246188be
PDF
Publication page81cab7ed8bfa3c8b08fc0c50921dc3a11da17046486d01e227cc3b0da6891486
Manifesta0bd8a0025fb35778bec24a1aeff18a37c32dc5c036b87b7e46cc0bad381ef04

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
SignaturegLZwp0M65QQOWrRXuaxCdjiu+WR080a9gU8GPfhVN0Hu/u3M5n8wK8iBCoOBV7Bclv3WCIhpyvl2z//oWzbMBA==
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

2026-09-17T11:46:56.258793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025720
observed 81cab7ed8bfa3c8b08fc0c50921dc3a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:56.241689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025720/manifest.json
observed a0bd8a0025fb35778bec24a1aeff18a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:56.224970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025720/publication.md
observed cf2773482bc396bdf1a749102984a389...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:56.208986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025720/publication.txt
observed f0c0bff35c4ebd6ba88b3739643928f5...
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.