OpenTechnical

OT-2026-000023297

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, 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-2026-000023297) never changes.

Identity and time

Publication numberOT-2026-000023297 · never reused
Internal UUID01a0ae70-7268-70d8-99ff-1d9694a4057f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023297
StatusPUBLIC

Content hashes

Canonical text88e392b33534fe0f18924083b9347a2f91496b8d77c566073260a7fe9e0021a7
Markdownbd953cc690a71cdd539c2552168d346b3f1a7f5fa5c5e613f1403093f8c298e3
PDF
Publication page0fe0269e405cf9f9eb9ac8c00473f1d1c15af76c30667021f164174f20c7fc51
Manifestf7ddff4c5a8ad777cbb8a3e39b1acc587c15e3910de62da0d7486a5fe732c8ea

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
SignatureI5BGAS7Hh7MhNBmrYNLfS9+5s2M7xz9UocRkjkvEQVa/PaKCYsih8AFr6BtH69Qh7zhJpAL0MJdmHh+8Je6nCg==
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

2026-09-17T11:51:22.634953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023297
observed 0fe0269e405cf9f9eb9ac8c00473f1d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:22.617296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023297/manifest.json
observed f7ddff4c5a8ad777cbb8a3e39b1acc58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:22.600297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023297/publication.md
observed bd953cc690a71cdd539c2552168d346b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:22.581636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023297/publication.txt
observed 88e392b33534fe0f18924083b9347a2f...
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.