OpenTechnical

OT-2026-000026169

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, sustained blow-off before 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-2026-000026169) never changes.

Identity and time

Publication numberOT-2026-000026169 · never reused
Internal UUID01a0ae71-a841-7574-8b07-d750d13c871f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026169
StatusPUBLIC

Content hashes

Canonical text5820e0583749a89ad0446456c1b7d46167841f3141d6f43985ea36a1892b4c10
Markdownf43172d119178288e2441d299ac5ab9dcf772ed130307b16d7ef96fb316a02e8
PDF
Publication pageeb58a06ffea7c339df1c59b387b32f2751c756214980a5db2b75c6e0324bcce5
Manifestb9049edb431bfd66b4fe150444bf3ef15695bb2fda27d1057fd6d0890b534470

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
SignatureNFamanJVhvKwi3E7IubgCuDqlKrWbmYjHe29gxTO2joQhDuNNH+WNuuwz+hWFzLDAMbvCI8yUKu1RdBnBFtAAA==
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

2026-09-17T11:46:40.841543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026169
observed eb58a06ffea7c339df1c59b387b32f27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:40.822805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026169/manifest.json
observed b9049edb431bfd66b4fe150444bf3ef1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:40.805001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026169/publication.md
observed f43172d119178288e2441d299ac5ab9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:40.786252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026169/publication.txt
observed 5820e0583749a89ad0446456c1b7d461...
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.