OpenTechnical

OT-2026-000086995

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, sustained blow-off 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-2026-000086995) never changes.

Identity and time

Publication numberOT-2026-000086995 · never reused
Internal UUID01a0ae9a-80a5-7698-a9a3-fe3e0cd056da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086995
StatusPUBLIC

Content hashes

Canonical textb44aaa259b4dcc9755c0793ec40ba41236dea058b055650481b5c7db2c13edc0
Markdown54382d2347e4a1fe00bef642138a16d836d2c5f8faee04505f67c3bcfb3e348f
PDF
Publication page6d79f46f714ff637cca1a16608c2e12fc0adca1c20ed712209fccd5acbd118c3
Manifesta60ab50feaa5b79a32d16a9ed4f2cdf5e468a30d6ce4e9b194c3b4a7952002c1

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
SignatureSQIP/UuwJzy0HZuKifn5hzeyyyobGyCuTbaNeV7XU3laQ5sf3Z2LFuTmwwCixW40asrX3s+b21TOYg60rP0lCA==
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

2026-09-17T09:51:53.893961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086995
observed 6d79f46f714ff637cca1a16608c2e12f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:53.876049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086995/manifest.json
observed a60ab50feaa5b79a32d16a9ed4f2cdf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:53.858219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086995/publication.md
observed 54382d2347e4a1fe00bef642138a16d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:53.839363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086995/publication.txt
observed b44aaa259b4dcc9755c0793ec40ba412...
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.