OpenTechnical

OT-2026-000058274

Publication integrity record

Foam pad vacuum gripper, plant vacuum 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-2026-000058274) never changes.

Identity and time

Publication numberOT-2026-000058274 · never reused
Internal UUID01a0ae88-f398-7574-ad3b-00e67910d2a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058274
StatusPUBLIC

Content hashes

Canonical textae34fbae00a07d1d2eff83c53b21917b19634895761a54bdf0a67e9bbd975c82
Markdown5c7c96f7d54872cd1d9889e78cf6af6ef4d16f4a7591c943aacbf18f09a28955
PDF
Publication page59aa22e4dc0507fb17452d01e8c4c1d3a58bc6d7b5c463b1b7b9fc07406a7f93
Manifest9bd25ec174e2ea48dc8f35eb42094b35a0f993043078a7e555934042849d7182

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
Signaturep8sXuF7xWGSysB5/lrYO5mkPk+Xd61rUr5e2iheyNzWWMmCRDIBqftGevMl2+KZruLzlef7kvJqGgYy+G0qgBA==
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

2026-09-17T10:46:39.651673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058274
observed 59aa22e4dc0507fb17452d01e8c4c1d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:39.635052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058274/manifest.json
observed 9bd25ec174e2ea48dc8f35eb42094b35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:39.617645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058274/publication.md
observed 5c7c96f7d54872cd1d9889e78cf6af6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:39.599658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058274/publication.txt
observed ae34fbae00a07d1d2eff83c53b21917b...
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.