OpenTechnical

OT-2026-000008946

Publication integrity record

Two bellows cup vacuum gripper, two zone face, plant vacuum 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-2026-000008946) never changes.

Identity and time

Publication numberOT-2026-000008946 · never reused
Internal UUID01a0ae6b-31b7-71df-a305-4dc2bee5cd7f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008946
StatusPUBLIC

Content hashes

Canonical text3fba0cb4de65a0c13dac81838241db25b0a96908e3cf9b6f720880d1a6a0dbb3
Markdown6bfa9683324794dbcbd729c43ea12a75774978e2708e410c822afc38268589b4
PDF
Publication pagef18ebd9c4b44d67a011b50b76801bae42fbbc24365083bc0d8ca836908638269
Manifest0ebd457caaf2cc56dc2780a335e2757eaca1e1c73d63bf3a45a05fb3043d6885

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
SignatureOTWG6ih7MAQQjUmj++IWob90kw8/pKXQU6/9NYx5FuJRAw+/sFK/y7Vv0HaN5c+Ns7eRAFVgOHnDmcuBPfXyBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:33.564926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008946
observed f18ebd9c4b44d67a011b50b76801bae4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:33.546457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008946/manifest.json
observed 0ebd457caaf2cc56dc2780a335e2757e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:33.528065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008946/publication.md
observed 6bfa9683324794dbcbd729c43ea12a75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:33.508262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008946/publication.txt
observed 3fba0cb4de65a0c13dac81838241db25...
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.