OpenTechnical

OT-2026-000079077

Publication integrity record

Foam pad vacuum gripper, three zone face, six 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-2026-000079077) never changes.

Identity and time

Publication numberOT-2026-000079077 · never reused
Internal UUID01a0ae95-ccbf-711a-8a93-6b2a5e6bf6db · 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-2026-000079077
StatusPUBLIC

Content hashes

Canonical textddf8e14ff23268f0e28266ff4aa5f803e151115a10b806da45b5c5b990777f09
Markdown12dea9575ac9307aee14db630150d2d6b59b82804e43a2930429bc39cea8e67a
PDF
Publication page5cb290abbb191d6c7e0c392bb5b05421b41d0a6720ed646d5b596a4bfb77431e
Manifest17228517ce902f82881910ccd1b1a88ea79103bee9bb6ffc9b1131fd27eff210

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
SignaturefqMOdF+LWAFvbFzAfbyW8qrThx4wFK2EOhfsJhPuJzdLyMUPrAMNh8roDaj/30rv/vZkX1ys6OF6OvPz4qERCA==
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

2026-09-17T10:05:55.222420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079077
observed 5cb290abbb191d6c7e0c392bb5b05421...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:55.204710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079077/manifest.json
observed 17228517ce902f82881910ccd1b1a88e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:55.186180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079077/publication.md
observed 12dea9575ac9307aee14db630150d2d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:55.170241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079077/publication.txt
observed ddf8e14ff23268f0e28266ff4aa5f803...
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.