OpenTechnical

OT-2026-000079413

Publication integrity record

Two cup vacuum gripper, two zone face, two stage ejector, sustained 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-2026-000079413) never changes.

Identity and time

Publication numberOT-2026-000079413 · never reused
Internal UUID01a0ae96-0b91-799d-bdc7-aec1bfc1eab6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079413
StatusPUBLIC

Content hashes

Canonical text404a2d24597e8fc36f8cb8603f71139ac124c4872079ff6ddfa3a1949cc45f39
Markdown425f2589eae604f7c7e75ccb93dcdacf5fd048f151c5cb0e2b01d619e1f4e15c
PDF
Publication pagec717deab04008497f98f5fbf85e4bbd1c5fc6639c88b273eefa58049b8a5810c
Manifestc8561a36953299c117fa1d4b96eaabe9bd9c70a2f32b882d0b072a9682d54a98

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
SignatureK3KWem29SzEUAE+UAZ/QGI+9JtaOGn1/tQRRWyP6DKe3uQ9hEVq4K7ChOFBCrmGiO1I28zB7O/sKFaQl5fekCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:05:02.255679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079413
observed c717deab04008497f98f5fbf85e4bbd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:02.237848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079413/manifest.json
observed c8561a36953299c117fa1d4b96eaabe9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:02.220517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079413/publication.md
observed 425f2589eae604f7c7e75ccb93dcdacf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:02.202530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079413/publication.txt
observed 404a2d24597e8fc36f8cb8603f71139a...
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.