OpenTechnical

OT-2026-000027463

Publication integrity record

Three cup vacuum gripper, three zone face, 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-2026-000027463) never changes.

Identity and time

Publication numberOT-2026-000027463 · never reused
Internal UUID01a0ae72-6998-7285-adc4-9de152dd7b27 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027463
StatusPUBLIC

Content hashes

Canonical textb0468567c0eb2d9b91776f8038a821074629b62e4a0d5dd1ed13208b5db8132f
Markdownb959d692e62acb63b46b40f476ff9dcb44bd493471e4e733a2915101fd2598f4
PDF
Publication page29d85dfabfe410197ee21e785aa43bce642e35b093c04b42891ef64726e4ef69
Manifesta683a4c53552a8a7c7121d58d72cc2a675c6bb0d0e8ca1940b8618f5e2e54d01

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
Signatureq6XnNC3cfAH+0/7BxglEZ1b5eyRfh5MB+QFMVdpXIPiQe1NqGKcSmgmW8uFy7HzoAjSmoK3hYuJgjG4EwmAcAQ==
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

2026-09-17T11:42:55.351375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027463
observed 29d85dfabfe410197ee21e785aa43bce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:55.332316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027463/manifest.json
observed a683a4c53552a8a7c7121d58d72cc2a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:55.315260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027463/publication.md
observed b959d692e62acb63b46b40f476ff9dcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:55.297622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027463/publication.txt
observed b0468567c0eb2d9b91776f8038a82107...
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.