OpenTechnical

OT-2026-000019061

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off before 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-2026-000019061) never changes.

Identity and time

Publication numberOT-2026-000019061 · never reused
Internal UUID01a0ae6e-d523-7ea5-90a6-db5822c68a61 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019061
StatusPUBLIC

Content hashes

Canonical text07b5624673528756a3686d901a044352010c6e07a2b8c74107bf8a494dc906c5
Markdown27d31fba39f71789053bca73356409a47ecf92bdd360760a5b73fdef8a8223dd
PDF
Publication pagecb81cf2f2ccf2c731e63303d99edcab223b75ff0fd3c62e1b0050deddad90f3c
Manifest9d644c7cc1bad57dfbb9b8132eef8d23e0c09189021b0ea8829e99f33d77c276

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
SignatureVmLl/wK+9XOllDwpAmWoUYK+qPfGTBVPQaRHUrt601OIHz2BJcv/4wLAVGmys8yB1Eu1UW7V3pmtNAjBYkNgAg==
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

2026-09-17T11:59:45.564147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019061
observed cb81cf2f2ccf2c731e63303d99edcab2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:45.545523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019061/manifest.json
observed 9d644c7cc1bad57dfbb9b8132eef8d23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:45.527460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019061/publication.md
observed 27d31fba39f71789053bca73356409a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:45.506955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019061/publication.txt
observed 07b5624673528756a3686d901a044352...
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.