OpenTechnical

OT-2026-000013054

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single stage ejector, 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-2026-000013054) never changes.

Identity and time

Publication numberOT-2026-000013054 · never reused
Internal UUID01a0ae6d-5564-72cd-9f70-f5de52e33f85 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013054
StatusPUBLIC

Content hashes

Canonical textcbef30a1ad8e39d033896515965dfa4ad9ebba4878161e77fb5c6ca0eafef746
Markdown097e2998b8a6ca9635ba0378619461605a8a7117241563473c41e9fd40ea0f36
PDF
Publication page4faebcfc7ad921fe015bd2a4d7264a6a4af207e1f29bc78408b51e01e53e7f86
Manifest0a5f651ae5f59b41a8f08bd214e0c2940a2ec15a97e647d5c385b6ceb3772dbd

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
SignatureObXrlojD/mYCwFx2z5YL5qC+l7v9O/bJRT2xa1159aRrRoxTLidw1S4ZZ2/bd5I06J15JpvSvuPSKdyzhVu6AQ==
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

2026-09-17T12:10:53.399441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013054
observed 4faebcfc7ad921fe015bd2a4d7264a6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:53.382353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013054/manifest.json
observed 0a5f651ae5f59b41a8f08bd214e0c294...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:53.363348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013054/publication.md
observed 097e2998b8a6ca9635ba037861946160...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:53.344742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013054/publication.txt
observed cbef30a1ad8e39d033896515965dfa4a...
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.