OpenTechnical

OT-2026-000005758

Publication integrity record

Vacuum cup gripper, three zone face, ejector fed, contact triggered

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-2026-000005758) never changes.

Identity and time

Publication numberOT-2026-000005758 · never reused
Internal UUID01a0a943-d34d-76c2-9ac0-bf91dfe51488 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:09:49.647532Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005758
StatusPUBLIC

Content hashes

Canonical textbc1f5a749a45e7a4b09eaebe950577ad688754abff04691c53fc76cb2cc5b6a4
Markdowne97260366b164e2f721c2c95c647b4cc04a9a51ea8d5539a8358387941f1c1bc
PDF
Publication page6c69cb177d9abf70c0664fbc44a783f36f481a8c7ed32b828c3f21138bf3f286
Manifestd8a82be5b3ad7e5594353f6554121915da714ceb812e5e0468cf400abd8633b5

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
SignaturesMd3XDGSne6BGITnZQlKR6vsmCThxfI/zXuExa8gLBokvAK/GBptpmnOkrwylJZxioNer5aoQ9EYdyZHEGaLCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:10:03.239720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005758
observed 6c69cb177d9abf70c0664fbc44a783f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:03.226766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005758/manifest.json
observed d8a82be5b3ad7e5594353f6554121915...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:03.214119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005758/publication.md
observed e97260366b164e2f721c2c95c647b4cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:03.200262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005758/publication.txt
observed bc1f5a749a45e7a4b09eaebe950577ad...
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.