OpenTechnical

OT-2026-000005270

Publication integrity record

Porous face vacuum gripper, three zone face, four outlet manifold, 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-2026-000005270) never changes.

Identity and time

Publication numberOT-2026-000005270 · never reused
Internal UUID01a0a933-6b2b-7567-b93f-a0ac9ff6780c · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:51:54.414238Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005270
StatusPUBLIC

Content hashes

Canonical texta2e0ec9c59c214be100a3ff54eaabf558140736d5b4218887857fe246fdac7c3
Markdown81b4fd9b21f5c4a1bff4a40d8c00e351743f961942c2586de231f920b5ef20ad
PDF
Publication page57d5933ef7a9df8ba3fe71e5587d1f37f8e84eee3d115c4973568143d86044db
Manifest4b5d8da8ba874d6ebfc091443409bc16bfb41a0ccff3899ec66b093c7360170d

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
Signaturee0XFd9V13NA2ylrRKchppkQCVq/OKSld0qNgdBXSD6DIiC14d80VXPVJt1JnROGMORtRvej/yuVsKMO2CqiMDw==
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

2026-09-16T08:00:28.444204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005270
observed 57d5933ef7a9df8ba3fe71e5587d1f37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:28.430491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005270/manifest.json
observed 4b5d8da8ba874d6ebfc091443409bc16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:28.416107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005270/publication.md
observed 81b4fd9b21f5c4a1bff4a40d8c00e351...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:28.402062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005270/publication.txt
observed a2e0ec9c59c214be100a3ff54eaabf55...
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.