OpenTechnical

OT-2026-000006104

Publication integrity record

Bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum 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-2026-000006104) never changes.

Identity and time

Publication numberOT-2026-000006104 · never reused
Internal UUID01a0a94f-74f1-7820-96f5-e7a012650ab2 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:22:31.924327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006104
StatusPUBLIC

Content hashes

Canonical text74ca32739a3b7ce922cbc3d9fe5a0fc1ea7e550d23739ea95308cda6a4590228
Markdowncc32c7a4cdfccec162ef02da762d29394e8bbcc3c4d3a6afe67cacfecaea9f39
PDF
Publication pagee4057a69dd0710acc86684dfa469277b2b87985fac1304461d7a0f130d2aad7f
Manifestd8db246bddefdd9c7b50a2f3d825c0e17163eaf405f5e35e51e32b8c5e41472d

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
SignatureFMvkgdcJQG0Zkd3ePggCOkuL2NxWC3m+goaejJd1f2T6X/+wAunfoTqwbSrMpypAkJ9AN5TY2Onbij/C6ChVDA==
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

2026-09-16T08:30:26.989782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006104
observed e4057a69dd0710acc86684dfa469277b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:26.975438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006104/manifest.json
observed d8db246bddefdd9c7b50a2f3d825c0e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:26.961490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006104/publication.md
observed cc32c7a4cdfccec162ef02da762d2939...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:26.947234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006104/publication.txt
observed 74ca32739a3b7ce922cbc3d9fe5a0fc1...
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.