OpenTechnical

OT-2026-000056445

Publication integrity record

Six cup vacuum gripper, six outlet manifold, 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-2026-000056445) never changes.

Identity and time

Publication numberOT-2026-000056445 · never reused
Internal UUID01a0ae87-4bd2-765d-9621-4fb1bdebb2c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056445
StatusPUBLIC

Content hashes

Canonical text7a5f219e76c58899923b2162a7074cd1c7a69012cb3250f485602935816837a9
Markdownf20cffe0a6155cdcbcc31e17c1cdf5ca5e17561f7a2601852bb1b67f8654c8e9
PDF
Publication page710d924a64ce0db6ac460fbe3c33fc1cc1e77f159bca31257d3c2b0f51768662
Manifeste079d5e36264ab9d220e5feae04acb2f21bdb688828b382a96e1aa0469b0751a

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
SignatureRb6CMBgbmALsCe9FyyVS9aVGiT3FbUYF7/X2v6EAhnB5xDzuMZib/OjvmM7ZeynCxUGexmn3IU5Gnfqe6PEgAQ==
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

2026-09-17T10:50:58.811629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056445
observed 710d924a64ce0db6ac460fbe3c33fc1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:58.795026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056445/manifest.json
observed e079d5e36264ab9d220e5feae04acb2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:58.777513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056445/publication.md
observed f20cffe0a6155cdcbcc31e17c1cdf5ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:58.760444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056445/publication.txt
observed 7a5f219e76c58899923b2162a7074cd1...
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.