OpenTechnical

OT-2026-000049420

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, 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-2026-000049420) never changes.

Identity and time

Publication numberOT-2026-000049420 · never reused
Internal UUID01a0ae81-8f7b-7172-bfb2-b565da6a24b8 · 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-2026-000049420
StatusPUBLIC

Content hashes

Canonical text03b7522a100b1228cf8dccc714341d681d217ea40c4225fbda4285c1cd4151fb
Markdown5e4a33516138a41eb811d15b8ec409f1882d0c56b87936a1a1bbc3fd97f27ef2
PDF
Publication page795457fa46b5043fcc91dd6cfb890f792fbf9419c563789e2e1adf8af3007ef7
Manifest2407b1700afbd87162319e2c55e8256a4961f8cbcf3294a82043dbbf4d243a47

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
SignatureG9JmJ55QuftMAeckq+0zu4CLlRj12PLIO25XHN592SKoNgTOFuXD86WUX12TK+9g0YQVJDUocz4yRI1A7obiAw==
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

2026-09-17T11:02:14.641700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049420
observed 795457fa46b5043fcc91dd6cfb890f79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:14.624479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049420/manifest.json
observed 2407b1700afbd87162319e2c55e8256a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:14.607197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049420/publication.md
observed 5e4a33516138a41eb811d15b8ec409f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:14.588782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049420/publication.txt
observed 03b7522a100b1228cf8dccc714341d68...
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.