OpenTechnical

OT-2026-000011617

Publication integrity record

Single cup vacuum gripper, 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-2026-000011617) never changes.

Identity and time

Publication numberOT-2026-000011617 · never reused
Internal UUID01a0ae6d-193f-7a6c-b0a9-cc29423e3060 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011617
StatusPUBLIC

Content hashes

Canonical textedc9b5120b24d632f8dc1b42312fd19386dd3d1f756b04bf9914657c5b321f2d
Markdown3ae658cc3f9054e19d6ee08ee01daa624314ac673d06f1f529d37ffe70210bc6
PDF
Publication page96e91c519eb1f2e2b91f01d78c50d073c152f3cad8087d09ea74087039a2f89d
Manifestdb4fbf13513f4fe65b59840ba4f4f10516c513ea504e5f6c9e9c038dc8081706

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
SignatureyboNEnG012vzwua9HWRpP7I7ZXqiVEdX7xxHm+y2qJr5O6fpo7dLkcUvgHcyZZADST2ajowbc++cNUGAzAFvCw==
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

2026-09-17T12:12:11.850266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011617
observed 96e91c519eb1f2e2b91f01d78c50d073...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:11.831154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011617/manifest.json
observed db4fbf13513f4fe65b59840ba4f4f105...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:11.812057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011617/publication.md
observed 3ae658cc3f9054e19d6ee08ee01daa62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:11.793115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011617/publication.txt
observed edc9b5120b24d632f8dc1b42312fd193...
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.