OpenTechnical

OT-2026-000065528

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, 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-2026-000065528) never changes.

Identity and time

Publication numberOT-2026-000065528 · never reused
Internal UUID01a0ae8e-46f9-7c77-802c-b0185ee55b95 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065528
StatusPUBLIC

Content hashes

Canonical text4deb41bdfdd753f7feec27e55b56e00da74a47283491ddb7e64479e5a078f97f
Markdown4b931f36d4a2bc04d0e076eb38f11538a05ac5edbb61412e501237cc77f65725
PDF
Publication pageb5f1e5205990c84e384898d0c7805d660bfd02d7a9a8d14173c481dd220a89c8
Manifest0c093ddb35d68a068b6709a313198ff453baf63b41ae14d2a89b4bb859077168

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
SignaturedRMb5AJgHFfD+R/uur2dNg2IU8MAraGiCK+X/y62Jyv8h/mua8ZXlYfxGaz9JR1cgCOfDAPqvFWNX5aYRXkCAg==
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

2026-09-17T10:33:49.628354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065528
observed b5f1e5205990c84e384898d0c7805d66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:49.611794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065528/manifest.json
observed 0c093ddb35d68a068b6709a313198ff4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:49.595377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065528/publication.md
observed 4b931f36d4a2bc04d0e076eb38f11538...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:49.578504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065528/publication.txt
observed 4deb41bdfdd753f7feec27e55b56e00d...
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.