OpenTechnical

OT-2026-000048308

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000048308) never changes.

Identity and time

Publication numberOT-2026-000048308 · never reused
Internal UUID01a0ae80-4de3-7d87-848e-8a249eddb62a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048308
StatusPUBLIC

Content hashes

Canonical text21f111762757efd14be222c07672775bb16472abf288195426d3df153a6bf004
Markdown1413596e9ef210bb74d388f4a649ebe0cbfeb8c5e18eb284d916321bb4b5a3c3
PDF
Publication paged81e4444b5260340f6da7b259a7a5068233827f784cfdeeac2b6b469d52b5c57
Manifest5fda501ff13c6648b5548cd3c5890dad7d7c543e79bbe8207c4f1c5394168bca

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
SignatureYpqWCLJ9Th9mfFkHVhm475KEfUKxHLDPyLqmKbVTPuBxyuztOHN2W61ol3+SOuDGun+2jj/bi0PAOOYFRni2BA==
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

2026-09-17T11:04:54.244739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048308
observed d81e4444b5260340f6da7b259a7a5068...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:54.225331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048308/manifest.json
observed 5fda501ff13c6648b5548cd3c5890dad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:54.204540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048308/publication.md
observed 1413596e9ef210bb74d388f4a649ebe0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:54.183750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048308/publication.txt
observed 21f111762757efd14be222c07672775b...
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.