OpenTechnical

OT-2026-000015014

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump 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-2026-000015014) never changes.

Identity and time

Publication numberOT-2026-000015014 · never reused
Internal UUID01a0ae6d-d096-7263-97ff-86db8f90281d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015014
StatusPUBLIC

Content hashes

Canonical text13da53427db9fe5bf030fa8ded1fd8c3977670bff4e87a0767e5d6f0de9cddab
Markdown4ea4523ca6e58b136a7a7f577d14872f00fe63ea6e4a93c89e3e52fd31cf04e1
PDF
Publication page6167f4f5f044707547bebedd800f472cc7e83d0d828f49635b6968bb2c55af3c
Manifest8b4e83b7b8b7e8088feeac10123caf4aedebeb02610c842f36d2a033fbcecdae

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
Signatureb/B1g59N2v51V8RlleQEwp6AlUrM6kRkxIZV0YH/BxbSpiSulFhkKfOKhoa2IQrFLWYPrOi4NaWuUB//qfs9BA==
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

2026-09-17T12:06:59.153444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015014
observed 6167f4f5f044707547bebedd800f472c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:59.136276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015014/manifest.json
observed 8b4e83b7b8b7e8088feeac10123caf4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:59.118543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015014/publication.md
observed 4ea4523ca6e58b136a7a7f577d14872f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:59.098962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015014/publication.txt
observed 13da53427db9fe5bf030fa8ded1fd8c3...
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.