OpenTechnical

OT-2026-000006819

Publication integrity record

Vacuum cup gripper, three stage ejector, contact triggered on the face, vented before set down

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-2026-000006819) never changes.

Identity and time

Publication numberOT-2026-000006819 · never reused
Internal UUID01a0a968-7934-72b0-8a23-a18b56ba1ca8 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:49:51.415260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006819
StatusPUBLIC

Content hashes

Canonical texte5cdb36de869e2ee7aa315a88ef78088fdb2ce95cd8a924aee03d6f8e4643a2e
Markdown087ba33bce5ec1c29a2b38fdb2db513fffe1730e862dfe37a098a045c2f95afd
PDF
Publication page3f70d6cdafdfa0ee6bc64d32614219e21679c8da23a872b1175874d361f927f8
Manifest7a7ef9bd4ea86cd6110553897fc65ab717f2e1f1ed4e725addb0b2c93e637d6d

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
SignatureHfE2ueHv3VrU6s/M6bNndzss5pEquK9DVkt8TP00POxOWRjewbiuiE/kj8gSst0X1bIjUIa1owqw5hOPDpxFCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T08:50:02.905151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006819
observed 3f70d6cdafdfa0ee6bc64d32614219e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:02.892017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006819/manifest.json
observed 7a7ef9bd4ea86cd6110553897fc65ab7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:02.877995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006819/publication.md
observed 087ba33bce5ec1c29a2b38fdb2db513f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:02.750376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006819/publication.txt
observed e5cdb36de869e2ee7aa315a88ef78088...
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.