OpenTechnical

OT-2026-000055372

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed 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-2026-000055372) never changes.

Identity and time

Publication numberOT-2026-000055372 · never reused
Internal UUID01a0ae86-a101-763e-afbd-ce21f629c284 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055372
StatusPUBLIC

Content hashes

Canonical text40278f9dcf788b6231992d06b578877d4d1037f2a589fc982e38fd36467b6e93
Markdown0bf1b9235c9caa656cdcc3aca077bd4ce3460c04547c2a41aa1d54ce3bedb868
PDF
Publication page84d28c6038096cf0e54c539e53a8d4aca50426b32984ff726123f91d78988c15
Manifestb71c1aae9f3daf630b0a00f5518137a9a3142b548b620696ca53fd9e735615e8

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
Signatureg9pUvAKe/MKntnyEDoaKT4C4Z9xUW09RpVDQeRpwyo6JrNIn2vM2TWRSEFhM2QYLWJHzR/KzzVQ7fGXFYDBKBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:52:00.196517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055372
observed 84d28c6038096cf0e54c539e53a8d4ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:00.176791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055372/manifest.json
observed b71c1aae9f3daf630b0a00f5518137a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:00.157683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055372/publication.md
observed 0bf1b9235c9caa656cdcc3aca077bd4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:00.139612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055372/publication.txt
observed 40278f9dcf788b6231992d06b578877d...
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.