OpenTechnical

OT-2026-000048857

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, on a tool changer

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-2026-000048857) never changes.

Identity and time

Publication numberOT-2026-000048857 · never reused
Internal UUID01a0ae81-134a-79b4-b1b1-4082ff669892 · 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-2026-000048857
StatusPUBLIC

Content hashes

Canonical text9a019cad2247fbc984f49444478e150628a49ee656f116a3906af20918bff24f
Markdowne3e0a5b8a79d4a2887b19c892b70639cb57064949947ed34094481b08863d63c
PDF
Publication pagefe35ac00c007e968046a776bf9bff7017449b2834433183f59726a5c554edf64
Manifestd59f73b51d09f025e67a266759f3eaab2cb3a881df2b2ce9d3d353d5afb61895

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
SignatureKOzdrpl9oiVy6jBFG9kCONtAHKlE+rZ8mJR1srlfeSZ3hiYL1N7XSCTFBVPiNtXPxb7x1AtcG3blfciwssLAAQ==
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

2026-09-17T11:03:00.329919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048857
observed fe35ac00c007e968046a776bf9bff701...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:00.309899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048857/manifest.json
observed d59f73b51d09f025e67a266759f3eaab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:00.290173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048857/publication.md
observed e3e0a5b8a79d4a2887b19c892b70639c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:00.271114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048857/publication.txt
observed 9a019cad2247fbc984f49444478e1506...
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.