OpenTechnical

OT-2026-000012680

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, pulsed 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-2026-000012680) never changes.

Identity and time

Publication numberOT-2026-000012680 · never reused
Internal UUID01a0ae6d-5562-71ed-9652-9f325e8d3320 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012680
StatusPUBLIC

Content hashes

Canonical text0028f28505d049671cfa617f43c95349fa80feff0765d58a06bc908399958763
Markdownc414d7b234adddaddfe37f24d325099ffe3b9209f688984cb40b9aedb59c66df
PDF
Publication page57059e153d1af66a78300cd512aa3af7764a652793186defccf93e081fde4a59
Manifest762889a9630ed1eaa6338d2a1ce5bff3ec5eddee711c2dac3e69328e7e9b2cf0

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
SignatureutsiCjOW2xnYDJ0FJ0ooT0EV8ag+4w2ollgcG+sJYoI/+kkRbm8DoASmR+okkl1qG17zzSDp1rK7bJkdsgOiDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:10:19.663417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012680
observed 57059e153d1af66a78300cd512aa3af7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:19.645466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012680/manifest.json
observed 762889a9630ed1eaa6338d2a1ce5bff3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:19.626554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012680/publication.md
observed c414d7b234adddaddfe37f24d325099f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:19.608227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012680/publication.txt
observed 0028f28505d049671cfa617f43c95349...
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.