OpenTechnical

OT-2026-000080617

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, two stage ejector, 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-2026-000080617) never changes.

Identity and time

Publication numberOT-2026-000080617 · never reused
Internal UUID01a0ae96-7e79-7a6c-afab-45dbe07f1235 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080617
StatusPUBLIC

Content hashes

Canonical textd10d3310610f650e040305771e5e6da4c0dc93f6ca601426fefb5045125c7d76
Markdownff65397cf0a8e9ae36d64b6623ce2a7eb285adf4645ff6ac7b50fabaca1a1922
PDF
Publication page58dfea05dd5fb50a0f88eeb724a8d78d4dc787ba3e2feca5afae78c934f20d89
Manifest38b396d38114da8c8555e301265d18d09048fe4ffb382ac1c479bc0f22f4c1f0

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
Signature0tpSwlgI0UBZlWvJPTW9HbLG2bpaGrcKnJv6CdYGWdo/i6nndzNoz7vaSKS36Jzpo5IWyGo5q/TXQdwcqbeiBA==
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

2026-09-17T10:03:15.476686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080617
observed 58dfea05dd5fb50a0f88eeb724a8d78d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:15.448761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080617/manifest.json
observed 38b396d38114da8c8555e301265d18d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:15.420156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080617/publication.md
observed ff65397cf0a8e9ae36d64b6623ce2a7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:15.393038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080617/publication.txt
observed d10d3310610f650e040305771e5e6da4...
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.