OpenTechnical

OT-2026-000048853

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line 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-2026-000048853) never changes.

Identity and time

Publication numberOT-2026-000048853 · never reused
Internal UUID01a0ae81-134a-75ff-b646-492a6718a3c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048853
StatusPUBLIC

Content hashes

Canonical text63020a20f6a710e8690680f7910cdf75484e1e2cf0129002dffb1358e2ec65c6
Markdownbf80962e7f32ea543a4033d1f41985a115a74797acf036ca34d40d50e477bcfe
PDF
Publication pagee3b2e79968a795333637ab433cf744b7b18f49998aabadd90c66a25e65976131
Manifestf75e6e4a501aa937429d294a56f9dd7eb8168f14bfe8f97e4f1b621e7f2cb2d3

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
Signature4nT90xsyyrgFoB+9oG6UYFFNP2lOG68PbE28aSvfCi0Q7H0gt6hK9gd1ilEz286wkpJ55kAUlJwdE6UkUNMIDw==
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

2026-09-17T11:02:59.869705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048853
observed e3b2e79968a795333637ab433cf744b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:59.851828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048853/manifest.json
observed f75e6e4a501aa937429d294a56f9dd7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:59.832828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048853/publication.md
observed bf80962e7f32ea543a4033d1f41985a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:59.725513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048853/publication.txt
observed 63020a20f6a710e8690680f7910cdf75...
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.