OpenTechnical

OT-2026-000061073

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000061073) never changes.

Identity and time

Publication numberOT-2026-000061073 · never reused
Internal UUID01a0ae8b-137d-70e3-97a4-3d4dd4a0f7df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061073
StatusPUBLIC

Content hashes

Canonical text3ce6d60833fd9f7a1e62ae912b9b62015fe6c92c9ca7aaf79ac94a2268622f0c
Markdown54ad9016812b38d5a8d48b06d7bcb9c5e5ad91918c163ef8750fa559073c28c9
PDF
Publication pageb1e6ea17197c9dd7189413da2986df8f1ce80056e65247df1f943579c0441962
Manifest576939689af8cdbf2285f84f725ff057b95afac5c187f5501e11d8b9e2285764

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
SignatureccxDdwbZpXrDuns5+hZFT45AXPbG3dobwrYGL93Jlo3s8ILivhPWFOgHLIZPm2IRxp5Axhen1ZeWbpfenIHECQ==
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...

Independent retrieval

2026-09-17T10:42:26.020517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061073
observed b1e6ea17197c9dd7189413da2986df8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:26.000838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061073/manifest.json
observed 576939689af8cdbf2285f84f725ff057...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:25.982420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061073/publication.md
observed 54ad9016812b38d5a8d48b06d7bcb9c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:25.963398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061073/publication.txt
observed 3ce6d60833fd9f7a1e62ae912b9b6201...
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.