OpenTechnical

OT-2026-000004784

Publication integrity record

Bellows cup vacuum gripper, four zone face, ejector fed, vented before set down, plastic 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-2026-000004784) never changes.

Identity and time

Publication numberOT-2026-000004784 · never reused
Internal UUID01a0a923-3f6a-7de8-aa3c-6fc1c616351b · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:34:14.637562Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004784
StatusPUBLIC

Content hashes

Canonical text8060b64851ac46f68445592626a429763f5e3dba94c6133930203b9aa486862c
Markdown4fcebafef042217a784178f5649dc4eb552d35761e70b31d4d90cde833cd8218
PDF
Publication page94b813b3fc4b4e3e9d7ad39de94153c8562ccb45f99c6ec591279e16dd070116
Manifest94398ba38a8b7d916d67442505df2f3d95f771b5bbe9655613970a0ee0cd3d6e

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
SignatureqcN7b+358D83OtXxt/MVhjhy+R4YL22J1QrkWuoQymnGf5SNrukSdo1xACDU0T+dYjXRCiCxqvXaqKZY3y7DAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:40:19.384071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004784
observed 94b813b3fc4b4e3e9d7ad39de94153c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:19.370810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004784/manifest.json
observed 94398ba38a8b7d916d67442505df2f3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:19.236498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004784/publication.md
observed 4fcebafef042217a784178f5649dc4eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:19.224142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004784/publication.txt
observed 8060b64851ac46f68445592626a42976...
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.