OpenTechnical

OT-2026-000047793

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000047793) never changes.

Identity and time

Publication numberOT-2026-000047793 · never reused
Internal UUID01a0ae7f-c420-7f8d-b95d-3704c867e2de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047793
StatusPUBLIC

Content hashes

Canonical text1c8f6f8895abc3c167841f58cc14cb02519de8bb16d389b0d7fb0a7b26e44627
Markdown4f5588b2dbbc82ec859dbe52b987a79f1371cf5cee7c8e04678694522a4af881
PDF
Publication page7d5c1e5fbc324cff2ef6f86193621ef5f368127af52bec938ffe8d4b6f0879b3
Manifest9ab141eead64dc37479ac4ada8ed77dde497e4112119ba41d21d40ab5a65902c

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
Signature8WCMZLZclK0TMBREmSZ74HCV16smn5Tia5F+ceCSkVX/SGLuAt8ksIOb8NDAX64ucJ5cimke+oHSiBaMoqGxAQ==
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

2026-09-17T11:05:41.477951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047793
observed 7d5c1e5fbc324cff2ef6f86193621ef5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:41.457002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047793/manifest.json
observed 9ab141eead64dc37479ac4ada8ed77dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:41.438583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047793/publication.md
observed 4f5588b2dbbc82ec859dbe52b987a79f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:41.418867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047793/publication.txt
observed 1c8f6f8895abc3c167841f58cc14cb02...
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.