OpenTechnical

OT-2026-000079160

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, vented 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-2026-000079160) never changes.

Identity and time

Publication numberOT-2026-000079160 · never reused
Internal UUID01a0ae95-ccbf-7db7-b91f-ed6140813b1f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079160
StatusPUBLIC

Content hashes

Canonical textf33d9140ff55f74c6eaaf89a3221841aca8e9aeb71a1125b3cfb9d60d711fb42
Markdownfdac350372bf9ae0745e728116a480bd614ef76d21ff58ca4740792f1045eaf6
PDF
Publication page7ecd35f3c18dd1ba965150618e63466a66680e89ee59cf4ff0757dcc761fff0d
Manifest26d8ec1518e6c98d550bff1804dbc87bc1168cd8f0d77190fe04b089f04fa72e

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
SignaturemJaQESaAqj/wTAX/BDIv8631nYjMeQLMGMnUJnhoA4gHoEJeSVxRXPoiotmzPk/C7B5bPo7zR7/L17UoD+aZAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:06:00.618503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079160
observed 7ecd35f3c18dd1ba965150618e63466a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:00.600740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079160/manifest.json
observed 26d8ec1518e6c98d550bff1804dbc87b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:00.583780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079160/publication.md
observed fdac350372bf9ae0745e728116a480bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:00.564616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079160/publication.txt
observed f33d9140ff55f74c6eaaf89a3221841a...
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.