OpenTechnical

OT-2026-000103587

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single stage ejector, pulsed blow-off after set-down, on a tool changer

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-2026-000103587) never changes.

Identity and time

Publication numberOT-2026-000103587 · never reused
Internal UUID01a0aea4-e461-71ea-b1bd-e0e9de73d929 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103587
StatusPUBLIC

Content hashes

Canonical textc16bd92f152f984acfc94c2f109fab350ec9117d6fe82c6eed57165b0c01db35
Markdown22145dd0c00f72fc801670dc031278d5d0b71b41279f2ecb3cf80380bddd9c93
PDF
Publication page2ab4b92caf59e0d040ffe9e8c186d0b8bf91418d0b236d5e848c9244f82e4f18
Manifested4381c5635ed87727bbdaae39e7611d14e1342f2a02c7443aca9247c42f899e

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
SignatureECE12X0ijOaJFH++tRTitFqZpp0hDGxuNUAwAZIFchDvwlTZ63//33twRFxgp1cXzcFlgcM5sznxpQbvg8HZBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:22.406287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103587
observed 2ab4b92caf59e0d040ffe9e8c186d0b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:22.388968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103587/manifest.json
observed ed4381c5635ed87727bbdaae39e7611d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:22.371492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103587/publication.md
observed 22145dd0c00f72fc801670dc031278d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:22.352594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103587/publication.txt
observed c16bd92f152f984acfc94c2f109fab35...
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.