OpenTechnical

OT-2026-000082379

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, sustained blow-off 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-2026-000082379) never changes.

Identity and time

Publication numberOT-2026-000082379 · never reused
Internal UUID01a0ae97-4d96-7bdf-ae0f-da89eba84e37 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082379
StatusPUBLIC

Content hashes

Canonical textda0b1d96800667d499605832e7ebce075ede8139f7564aaf7586c4b6d33a9917
Markdown39406c719c3ed7518f65a689d1e6dbcc4dca3f9d360aa7ca1d85666a01efb7ad
PDF
Publication page0086072e81013f563055f553508cb8c6703b8e2944fe84924b5c8c8b17a35633
Manifest3a1fd1a1fa1f53a4fd15918e4f2d2065840287d750121123856dba9aa73f029a

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
SignatureIBdMIbSnB06XQOfO8pH/GSNUe8iHcR/f3y5Xe3nQR1Y3cum4g01vHNlf9S9BTKXX545tMAHgu7f+kRwuAlP2Bw==
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

2026-09-17T09:59:15.502102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082379
observed 0086072e81013f563055f553508cb8c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:15.483596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082379/manifest.json
observed 3a1fd1a1fa1f53a4fd15918e4f2d2065...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:15.466319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082379/publication.md
observed 39406c719c3ed7518f65a689d1e6dbcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:15.448727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082379/publication.txt
observed da0b1d96800667d499605832e7ebce07...
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.