OpenTechnical

OT-2026-000068759

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000068759) never changes.

Identity and time

Publication numberOT-2026-000068759 · never reused
Internal UUID01a0ae90-6dcb-7b9c-a580-749486d3057b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068759
StatusPUBLIC

Content hashes

Canonical texta3ef2af56ff0422b19be26384ed646635ea73355911b68ca7010c882ecb11044
Markdown65d2319d6671ba7615bf8e48c5b6d21e705ab7133301a26ce72bb20135c8e5e6
PDF
Publication pagee54d496ff7a30cb9bd640be2cc87172ba836921e601242eefccaf4dfefd15588
Manifest1af5e726f4733609c159062aa6305cc8abfd1edfedf166f240d23700510c51e2

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
SignatureL4Av6LWGhEHxELMbGVL8Esa/skApfbhabW5LrpyyWsQmjp4yQRPjo3a/MpwHCV0awIWRp4xwzyiimvfnN6QVBg==
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

2026-09-17T10:28:32.605862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068759
observed e54d496ff7a30cb9bd640be2cc87172b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:32.587541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068759/manifest.json
observed 1af5e726f4733609c159062aa6305cc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:32.569403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068759/publication.md
observed 65d2319d6671ba7615bf8e48c5b6d21e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:32.550262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068759/publication.txt
observed a3ef2af56ff0422b19be26384ed64663...
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.