OpenTechnical

OT-2026-000045419

Publication integrity record

Foam pad vacuum gripper, three zone face, single stage ejector, 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-2026-000045419) never changes.

Identity and time

Publication numberOT-2026-000045419 · never reused
Internal UUID01a0ae7c-f76c-7c6c-ab57-fefb0219adf5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045419
StatusPUBLIC

Content hashes

Canonical textb969c7148c93bbddf195df526a551affb73026ce7b3d2f17f173d62ffd5ab9b2
Markdown0be59a53cd034521f311dd1e069e8ad2baa7609dbb86282fb6da5a658fff36c2
PDF
Publication pagefca15e9d5ce2683205ed0e69c7b70e42de3b37e2f29469924c95f31b33dc0728
Manifest42e324a1968d6d994f89c878faf3adb816c484737a495c8fbf69a0d03fa447c5

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
SignatureCWSpDD9eRJgula4qpulzPE2UJECQDrHjlw/lm9h5hQif/gDNSG+jofgXGAzvvyKuaBq5k9Zcy9FuKAXgqq1LBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:10:42.712243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045419
observed fca15e9d5ce2683205ed0e69c7b70e42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:42.694385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045419/manifest.json
observed 42e324a1968d6d994f89c878faf3adb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:42.666535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045419/publication.md
observed 0be59a53cd034521f311dd1e069e8ad2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:42.639515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045419/publication.txt
observed b969c7148c93bbddf195df526a551aff...
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.