OpenTechnical

OT-2026-000055005

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold 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-2026-000055005) never changes.

Identity and time

Publication numberOT-2026-000055005 · never reused
Internal UUID01a0ae86-5e80-7f20-be8a-9e913f42a358 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055005
StatusPUBLIC

Content hashes

Canonical text22c541651b2cabdc1101757aa4b0e1e4c1dd154ee7d0b2244c2e2bf03b7c8da1
Markdownb80435d8cf2f8178183dccbdccdd6bc5aaa3151fe0949e37710ee5404be378da
PDF
Publication page220888c05832b89f44871307701751c9d8d699506c2fef0dd5347105712f556f
Manifest1cb1d91285d6577f7a5c143bb9a10453ba225fae515257332aa9835b4b8d375c

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
SignaturevfOWJuPOAl5tjsFxRgOHi4J0M83dSuX6AEyeH2Zq5mVtjnvnjETJEzOe9Tdzy0AVrdRItJS1I/UkaAN+KrJiBA==
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

2026-09-17T10:53:08.190946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055005
observed 220888c05832b89f44871307701751c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:08.172408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055005/manifest.json
observed 1cb1d91285d6577f7a5c143bb9a10453...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:08.153325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055005/publication.md
observed b80435d8cf2f8178183dccbdccdd6bc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:08.135495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055005/publication.txt
observed 22c541651b2cabdc1101757aa4b0e1e4...
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.