OpenTechnical

OT-2026-000048132

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off after 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-2026-000048132) never changes.

Identity and time

Publication numberOT-2026-000048132 · never reused
Internal UUID01a0ae7f-c424-7b2c-a8b8-9590511804cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048132
StatusPUBLIC

Content hashes

Canonical textee4ed6ec13414f2acb962b582f282878cd169b3d75f184eb68d4a2435e2eb357
Markdown159aad11f998b928f363d38c638346898751b26fca144ea2f2c7d8d799f4b2bb
PDF
Publication pagee219e47da4575b116c7cbe9cc038868dc48541db55cb55b620cec78ba626e9f3
Manifest6afb392ccb782b85f3e7208be07c30253d79d67dc0dfe8c14ee8677a3b7da123

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
SignaturedovtBUT3oTqw1EupSXzDiJJBushHGzZvEaSl+0zjsElIakgUHdJdzf9rCsIFuPkRlJ6UzvoizjhiqegiScLcAQ==
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

2026-09-17T11:06:09.945437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048132
observed e219e47da4575b116c7cbe9cc038868d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:09.925987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048132/manifest.json
observed 6afb392ccb782b85f3e7208be07c3025...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:09.907229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048132/publication.md
observed 159aad11f998b928f363d38c63834689...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:09.889864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048132/publication.txt
observed ee4ed6ec13414f2acb962b582f282878...
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.