OpenTechnical

OT-2026-000056761

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum 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-2026-000056761) never changes.

Identity and time

Publication numberOT-2026-000056761 · never reused
Internal UUID01a0ae87-7af7-7c73-88cf-0fd0d1093bff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056761
StatusPUBLIC

Content hashes

Canonical textc6b80e6663a2b50abce1bb288beaba17716bc229e51970a26e6fc706a5569c66
Markdown19259648450b51d46a59f7bda7826bec6fd56623ed9eb3475a0d8aa9a0846f75
PDF
Publication page33757567fcaf6e0cde60b79e3a71682c7f9b57bb3a5780440afc0c7d959a3683
Manifest201593cf76221592f6a3e10e9d85dc8ee66cded811d6c2022327ece0d82859eb

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
SignatureXb2aE0p1+4j2KikMu2UimujwfN4aWVZmz2wMcsTcDn3Q8QvUrjaBdJHEzZJUDbqzig7rIIL4J4uqLsLdEWodCA==
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

2026-09-17T10:50:12.375959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056761
observed 33757567fcaf6e0cde60b79e3a71682c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:12.357744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056761/manifest.json
observed 201593cf76221592f6a3e10e9d85dc8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:12.339966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056761/publication.md
observed 19259648450b51d46a59f7bda7826bec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:12.321780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056761/publication.txt
observed c6b80e6663a2b50abce1bb288beaba17...
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.