OpenTechnical

OT-2026-000005365

Publication integrity record

Bellows cup vacuum gripper, three zone face, ejector fed, pressure verified, 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-2026-000005365) never changes.

Identity and time

Publication numberOT-2026-000005365 · never reused
Internal UUID01a0a936-bfa4-7a5f-b689-3034bc54ca65 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:55:32.646599Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005365
StatusPUBLIC

Content hashes

Canonical text7b16d8ba2c425fc6334e8392c6f78d592d150ff8396c623b4d9438912b517e6e
Markdown0a553cec33c889e0876ad9ceb8a654323d295159904606266f7d515a15cea697
PDF
Publication page845e4804a6f857d45f3401635e405a448eeca1ae16f00a20f3fac8fcca95ea3d
Manifest657294ec4694843ab977b03bfd84173512c0e763cb15b91aebd8708794646df1

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
Signaturei8R5vI0plTZlygDO3isfuxdZ3WE6dFPlUDdOSzw0o1mLcaSfM+tP9juE0r+L+DUCeR+4sletHDugWJEwizviCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:17.947926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005365
observed 845e4804a6f857d45f3401635e405a44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:17.936025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005365/manifest.json
observed 657294ec4694843ab977b03bfd841735...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:17.920648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005365/publication.md
observed 0a553cec33c889e0876ad9ceb8a65432...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:17.905468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005365/publication.txt
observed 7b16d8ba2c425fc6334e8392c6f78d59...
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.