OpenTechnical

OT-2026-000007086

Publication integrity record

Vacuum cup gripper, pump fed, contact triggered on the face, silicone cups, oval form

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-2026-000007086) never changes.

Identity and time

Publication numberOT-2026-000007086 · never reused
Internal UUID01a0a972-2eb9-7b63-95d2-08d5440e5f45 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:00:27.708030Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007086
StatusPUBLIC

Content hashes

Canonical text78469889c4f02dfb50ef54eec15c6652c55ed7a9dabe06d908f6b32c734d06e2
Markdown2b7bca1351bb06243982b3ccb9feebbc0bc8b629225ddd8e71be0575bb73775d
PDF
Publication pagee2ace3ea022c386c42946b6f62dcf41b0974728371f59f48146ca01dbe821fba
Manifest3fe4af5ce5be992e6278663fbed07a468707930740681ad2d8e9268983e5e4f2

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
Signatured8D8Y7D8WkxCxulYB9EB0sUaRtmiMMufjyaOQVQjvS8pr4Mla2INchBQMDf/X9Pnku0feJKG5qvNf9U1sl5uBA==
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

2026-09-16T09:10:28.686716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007086
observed e2ace3ea022c386c42946b6f62dcf41b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:28.674645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007086/manifest.json
observed 3fe4af5ce5be992e6278663fbed07a46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:28.659931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007086/publication.md
observed 2b7bca1351bb06243982b3ccb9feebbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:28.646305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007086/publication.txt
observed 78469889c4f02dfb50ef54eec15c6652...
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.