OpenTechnical

OT-2026-000049785

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained 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-2026-000049785) never changes.

Identity and time

Publication numberOT-2026-000049785 · never reused
Internal UUID01a0ae81-8fef-7dac-8dbb-274710bc2e98 · 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-2026-000049785
StatusPUBLIC

Content hashes

Canonical textfa1aa3ad779587e8c813a5b7085f348362dc3a9aec56b4df5f79f9b0bb6d5654
Markdownf164838d703fb7ca5c51a24ed7393c92377070a2e1e052572e5b47c5a4599445
PDF
Publication page188c4b4e973559ef7322b6a42551e85f922a179d6a1383231123284d7605dda8
Manifestf0f29b162b370f353cd86b0d2df41015df92e85ad9c91b8e74d11dd45e87050e

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
SignatureF4r3iv9nMVUQaIZ3GXumOoZNYemmayxyL8RPvjGmUqQdFVUyk0ZalbgZcBd5K4Orap+EFmup1dmbfgrEcRtxDg==
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

2026-09-17T11:02:54.194621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049785
observed 188c4b4e973559ef7322b6a42551e85f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:54.176399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049785/manifest.json
observed f0f29b162b370f353cd86b0d2df41015...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:54.158797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049785/publication.md
observed f164838d703fb7ca5c51a24ed7393c92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:54.137730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049785/publication.txt
observed fa1aa3ad779587e8c813a5b7085f3483...
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.