OpenTechnical

OT-2026-000058149

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump 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-2026-000058149) never changes.

Identity and time

Publication numberOT-2026-000058149 · never reused
Internal UUID01a0ae88-6edb-7489-8077-215d4d99f4b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058149
StatusPUBLIC

Content hashes

Canonical text387644e88a7f60742036b2541ba45bdaa20b37664ad1de54fb8da9cf7f768c0c
Markdownd3e81d54cbb76a0371013e8dd71ac7c2220c8ebefad30383169f753523069d23
PDF
Publication pagecb8f6400d46e15e44de0715db2e5a00107bd861583b0bd17c095c286e68454f5
Manifest6345e34948108787b24f003037a6f32da796f32eb8bf0beb2cc3be3e8044f914

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
SignatureUBWwafvDt1nFwfx6luhK6fJg6cZeDt6nJL+/wWO5mpR8n8qyDO9QyQyFjowhwfXuBesaDGGBAxXIIW2mbycmBw==
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

2026-09-17T10:47:50.306943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058149
observed cb8f6400d46e15e44de0715db2e5a001...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:50.288474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058149/manifest.json
observed 6345e34948108787b24f003037a6f32d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:50.271384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058149/publication.md
observed d3e81d54cbb76a0371013e8dd71ac7c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:50.250599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058149/publication.txt
observed 387644e88a7f60742036b2541ba45bda...
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.