OpenTechnical

OT-2026-000055713

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000055713) never changes.

Identity and time

Publication numberOT-2026-000055713 · never reused
Internal UUID01a0ae87-09ca-7d3e-a412-09d6c7e8ba66 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055713
StatusPUBLIC

Content hashes

Canonical text96cd479d805d2475c13417c7177973d64369a47c537c4f6c741b2ab4b28570d9
Markdownb3d1e022d778bd9234e31dc803f14c6345e924e68548e9149863a105e331e274
PDF
Publication page335810d893259b48831e95108c67b018fccc4ce00df22b958caba1d8bafffb9e
Manifest78ffeadb59e066e2fd2b6ebf6776fe833b43f86d090ec16742a9b512410b1f06

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
SignatureqNBwj3KREZvSRPhIZXoHHt4Fzc5hvJuK0p9Za2fC0/Er+jRFWw3syPy6mM9g+qF0zBG8zJSvTMvylMIZOmSGAg==
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

2026-09-17T10:51:02.674124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055713
observed 335810d893259b48831e95108c67b018...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:02.656240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055713/manifest.json
observed 78ffeadb59e066e2fd2b6ebf6776fe83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:02.637049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055713/publication.md
observed b3d1e022d778bd9234e31dc803f14c63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:02.618920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055713/publication.txt
observed 96cd479d805d2475c13417c7177973d6...
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.