OpenTechnical

OT-2026-000049488

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold 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-2026-000049488) never changes.

Identity and time

Publication numberOT-2026-000049488 · never reused
Internal UUID01a0ae81-8f7c-7226-9122-f69d41f38793 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049488
StatusPUBLIC

Content hashes

Canonical text9bc4bb8afb241cb5a225246a132ef1b2d6cfe61add03642e4fef0d709f56a075
Markdown5e59374486869699dcbe049b7cf2daffaeecabc6916a10c60d0e7171fd3c255e
PDF
Publication page2e1e7fda0e77f64cf2b886caa7e674b079c544c81f23d25657f7e2fe837acc4b
Manifest57d9f3df17d08e2c14b3623db867773ce1389c86a23bbccfe97be88ef697cc23

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
SignaturesuNlw2PQbOs0fRHUdOWVVjbfPhQSVW94utv9KEgo5wu+WlfT1mp3TSekPYKMxdX9JEbPY3f2YrOEjTNlJ7jADA==
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

2026-09-17T11:02:20.234345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049488
observed 2e1e7fda0e77f64cf2b886caa7e674b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:20.213991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049488/manifest.json
observed 57d9f3df17d08e2c14b3623db867773c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:20.174582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049488/publication.md
observed 5e59374486869699dcbe049b7cf2daff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:20.130605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049488/publication.txt
observed 9bc4bb8afb241cb5a225246a132ef1b2...
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.