OpenTechnical

OT-2026-000016075

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, 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-2026-000016075) never changes.

Identity and time

Publication numberOT-2026-000016075 · never reused
Internal UUID01a0ae6e-0c4e-7ff4-be54-897a584299cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016075
StatusPUBLIC

Content hashes

Canonical text006b28a7f16832198aa14d37df57893151b7c965503217ccfa2f9a13e69ad897
Markdowne9c8060bfe881540d73040f1bb4e5c1fe4c4d14cf143846c6e32c5a81e0e7cb3
PDF
Publication page19bba6234de4317f25a19b30cd9296c64da1d7278975036d5c0e35c96bc4da83
Manifestc0e63afaf28e034016d74ec8ef9784c040b4bc6acfcb387d59ac6ae46ba70617

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
SignatureaWZeskrmPXiOeaIN8TLl8dER3NvoXw+tplphlo0MqacxXX6GMFejWb1ZbonknOJp6Surjo2ZgF/LTY8Pi0z4Dw==
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

2026-09-17T12:05:38.524661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016075
observed 19bba6234de4317f25a19b30cd9296c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:38.505195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016075/manifest.json
observed c0e63afaf28e034016d74ec8ef9784c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:38.485235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016075/publication.md
observed e9c8060bfe881540d73040f1bb4e5c1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:38.465857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016075/publication.txt
observed 006b28a7f16832198aa14d37df578931...
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.