OpenTechnical

OT-2026-000079254

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, vented after 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-2026-000079254) never changes.

Identity and time

Publication numberOT-2026-000079254 · never reused
Internal UUID01a0ae96-0b90-7d5e-923a-f8c2a4303b6d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079254
StatusPUBLIC

Content hashes

Canonical text0cb3c70d3724859459472f9f07ddbd3cf3e8e16389f17875e6b89ab9697fd6c4
Markdown11c5e6ffdf8c0d74676ff8b9b2fb626ac01dbb9ba7e87782f5b60a70207a171e
PDF
Publication pagecdecc471b6b0b6e2093cba4cdd27164d19881dc798ec8edc6bfbf0ed8d82bc2b
Manifest97d948b2fb5c3ce67784b7b5f18ad044fbc4907fbea75a112797072b41df0a19

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
SignaturelnOU2n0ZbOdirZbfz5MqGpQnp20Jaw+ZMSqukgtLhVlZCZbHDYP3OJuMtoYYGdIYXf5jkOp3Rl6wjlje2RrLCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:04:50.870578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079254
observed cdecc471b6b0b6e2093cba4cdd27164d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:50.853113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079254/manifest.json
observed 97d948b2fb5c3ce67784b7b5f18ad044...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:50.834246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079254/publication.md
observed 11c5e6ffdf8c0d74676ff8b9b2fb626a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:50.817496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079254/publication.txt
observed 0cb3c70d3724859459472f9f07ddbd3c...
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.