OpenTechnical

OT-2026-000013954

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, 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-2026-000013954) never changes.

Identity and time

Publication numberOT-2026-000013954 · never reused
Internal UUID01a0ae6d-8dea-7b60-9466-384d3afee06b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013954
StatusPUBLIC

Content hashes

Canonical text90de97bb9f9f31b5c6ce55c720c5592b6e9a9481ac19b40b113b05ebaba8babb
Markdown393106b2f2cfea4b6134804f75739f7a10377be69857282049139ea7bdb9cae3
PDF
Publication pagee54febb29f7e049a44948c424defe26c6ea7b216ecdeb7f6c6c58fc4c4c227e2
Manifestc56caa67edd6d2bc9be9e11ec1ebc62223476ebb9a8b68cb85f59a07d76cdb8c

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
SignaturevU6Qd/g2Q7KDT6/fVmoCYJkLkvmFwEaHSz3Homn9K+DiYo4JRC60sk137PXijm1wKVALHvlWuMxrRRgGpmCeBw==
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

2026-09-17T12:09:09.458973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013954
observed e54febb29f7e049a44948c424defe26c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:09.435639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013954/manifest.json
observed c56caa67edd6d2bc9be9e11ec1ebc622...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:09.406898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013954/publication.md
observed 393106b2f2cfea4b6134804f75739f7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:09.383270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013954/publication.txt
observed 90de97bb9f9f31b5c6ce55c720c5592b...
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.