OpenTechnical

OT-2026-000071008

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, vented before 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-2026-000071008) never changes.

Identity and time

Publication numberOT-2026-000071008 · never reused
Internal UUID01a0ae91-8c2e-7721-8b13-ea3a25d0dae7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071008
StatusPUBLIC

Content hashes

Canonical text745ba151491240c3ee1f5b5a60719a5d790f5309aa1741e150a9033d237537ae
Markdown3771966dae351f7bf40937ee0b8015f38305e90f5c51689f32a15e65e9a71dea
PDF
Publication page1afa1edd91b53f786cfc5a2754d62dafe3e7ab8cab170f2861fb28da8392dd4b
Manifestff57bf15a87dd8f1d0d12ead60308323dbe18f9492ea498af6e885b673a7baec

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
Signature2aBgn64qQO+y9XpSj96lgwvofnEVQ3Y9mNW6crjHsd91CxveEYHYvAaQTCOeAEVfaIVNqJAOhHDt/o6UMqcvDg==
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

2026-09-17T10:25:51.570551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071008
observed 1afa1edd91b53f786cfc5a2754d62daf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:51.554135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071008/manifest.json
observed ff57bf15a87dd8f1d0d12ead60308323...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:51.536019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071008/publication.md
observed 3771966dae351f7bf40937ee0b8015f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:51.520195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071008/publication.txt
observed 745ba151491240c3ee1f5b5a60719a5d...
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.