OpenTechnical

OT-2026-000006891

Publication integrity record

Vacuum cup gripper, four zone face, six outlet manifold, ejector fed, pressure verified, polyurethane cups

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-2026-000006891) never changes.

Identity and time

Publication numberOT-2026-000006891 · never reused
Internal UUID01a0a96b-02bb-7037-99bd-6c41910630b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:52:37.693871Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006891
StatusPUBLIC

Content hashes

Canonical text91c6ebf56cef1e17276536648de197adc4af0a395cebdaee28301bce3c0bd43b
Markdown62b91cb48355124769cc4cfeeae7eb45d1695c16ea7dec110f629d84b72fa4cf
PDF
Publication page2588031dddf9414df9e59cdf3669454a80e919493b8825fe8a245d8eeb21be4e
Manifest83bc611d9f035825c3a0e711f2745b58aaf940f27f49b66781d9ff4591dfd1d9

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
Signature/9j543Edcs4BavckjewrjRYMOPiz1pMZucHf//T5kAaN1OZCfwoUHA9zcuckKz5wAftBQG0i0XgoaUtJt5QbBw==
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

2026-09-16T09:00:24.967142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006891
observed 2588031dddf9414df9e59cdf3669454a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:24.955295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006891/manifest.json
observed 83bc611d9f035825c3a0e711f2745b58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:24.943544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006891/publication.md
observed 62b91cb48355124769cc4cfeeae7eb45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:24.931430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006891/publication.txt
observed 91c6ebf56cef1e17276536648de197ad...
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.