OpenTechnical

OT-2026-000056186

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, 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-2026-000056186) never changes.

Identity and time

Publication numberOT-2026-000056186 · never reused
Internal UUID01a0ae87-0a4c-749e-9683-186bfddd74fd · 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-2026-000056186
StatusPUBLIC

Content hashes

Canonical textdea8d8effee483cf26eb99df93b40f746e047c93e72a7ffd264a456341f0d0e6
Markdown1a3e263c5f53c29c72e9b868ee56a7c588b123eb9d46640d7be4a67ac2b4de68
PDF
Publication page65715e390696678a2db9defcc5aa6133c032cefc5a3b044db89e6d6318121ef1
Manifest05a49b0c563bb0337ae26491fa1eb2bf163986b4f01a5e6166adae17e4326f8b

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
SignaturePGJtPFyXLI93IlclsVuNx+zzPXDLDAWr7h2RzKjT+miPBeFgovG7uKDeTDcpbCadbgS/8rsMFEhWXgkk/A2DDg==
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

2026-09-17T10:51:45.008962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056186
observed 65715e390696678a2db9defcc5aa6133...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:44.993029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056186/manifest.json
observed 05a49b0c563bb0337ae26491fa1eb2bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:44.975936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056186/publication.md
observed 1a3e263c5f53c29c72e9b868ee56a7c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:44.957440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056186/publication.txt
observed dea8d8effee483cf26eb99df93b40f74...
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.