OpenTechnical

OT-2026-000039647

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four 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-2026-000039647) never changes.

Identity and time

Publication numberOT-2026-000039647 · never reused
Internal UUID01a0ae78-d8d4-727e-a88b-ea0db3cfb9cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039647
StatusPUBLIC

Content hashes

Canonical textb7741e6e74cc6a8d8e46477256f0920d600074b6d665017711913031ca8d8122
Markdowne4cd8e1c3dfc9305fd0157a3ae9a25749e57a0bbdbe260e2b9fbc433b86a579a
PDF
Publication pagecb7f18d54ecb9d06d626b665e592dee6fe80a69704f0e6e9d85fad7cf74932fe
Manifest71a1290c764c1c7a81dbe4430b3e74fa45a5387b92c2650b60e06ee97f98253b

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
SignatureLIaIWW+630kwnNo6cYUqF8pxmLKKXzb2Z2C/FqJFk9OGXnFKb6RmG825tHMmadtOff5h+jP+odUAV6kzt2RXBg==
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

2026-09-17T11:19:49.363035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039647
observed cb7f18d54ecb9d06d626b665e592dee6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:49.344273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039647/manifest.json
observed 71a1290c764c1c7a81dbe4430b3e74fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:49.325664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039647/publication.md
observed e4cd8e1c3dfc9305fd0157a3ae9a2574...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:49.306364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039647/publication.txt
observed b7741e6e74cc6a8d8e46477256f0920d...
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.