OpenTechnical

OT-2026-000079014

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, vented 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-2026-000079014) never changes.

Identity and time

Publication numberOT-2026-000079014 · never reused
Internal UUID01a0ae95-ccbe-7bf2-b4a6-cfe1a040ef58 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079014
StatusPUBLIC

Content hashes

Canonical text873364fd194413e543b6d565cf79e90571b51e5b0c8a9c834166e1ec99809a1d
Markdown1bea0666cd7d6090ee470ae634eccc4202cf2a1d192dcbda98526a1b066bc4ae
PDF
Publication page9e789dacd7eae0dfc1d009b7ddc48880f9a273b0cc8e50cfc7f4c6dbeae0af01
Manifestf0c47c8440d5f1e0594d2d793c6c1a8b3dc1beb700b77b12f3779658dec02d1b

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
SignatureAq+5c9z/tVNQfY+WT69FrEhXpOdjKz1tfblzxPxoO458Fgc/Ljq5m0h6gTLkFZ7UN6gTRq2cvGeSEBoLT0qyAQ==
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

2026-09-17T10:05:51.025174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079014
observed 9e789dacd7eae0dfc1d009b7ddc48880...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:51.007155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079014/manifest.json
observed f0c47c8440d5f1e0594d2d793c6c1a8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:50.989382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079014/publication.md
observed 1bea0666cd7d6090ee470ae634eccc42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:50.971391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079014/publication.txt
observed 873364fd194413e543b6d565cf79e905...
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.