OpenTechnical

OT-2026-000068424

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000068424) never changes.

Identity and time

Publication numberOT-2026-000068424 · never reused
Internal UUID01a0ae90-2481-715c-8425-8bf5c23e17a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068424
StatusPUBLIC

Content hashes

Canonical text70c841ec25f2a95c7011bd8e5ff5e94371baaa1116c8510ab740250ea22eb0ba
Markdownbba80183ae240f69a2fb08019378e73da58de84f13766e39e5d79b9e0a135eda
PDF
Publication page0d9fd908ae64a141e571bc0d9cdb03d7c3f9f03a1f0924504384ffd0c05feec0
Manifest783979cf83a8c1a3e31815df9e2fc8522990213fdc95c4a9a13701977033991a

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
SignatureVBN071WQZZnoGpMewoAPVASRgQKRbE8mp0X5DVPuGwmPi+1xKwTi1hWn6VyGzovaHA8WtgmkHViifXiV2NdECw==
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

2026-09-17T10:29:33.880843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068424
observed 0d9fd908ae64a141e571bc0d9cdb03d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:33.863868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068424/manifest.json
observed 783979cf83a8c1a3e31815df9e2fc852...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:33.845867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068424/publication.md
observed bba80183ae240f69a2fb08019378e73d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:33.824861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068424/publication.txt
observed 70c841ec25f2a95c7011bd8e5ff5e943...
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.