OpenTechnical

OT-2026-000086197

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, two stage ejector, 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-2026-000086197) never changes.

Identity and time

Publication numberOT-2026-000086197 · never reused
Internal UUID01a0ae99-e82c-76e6-9122-e695c9f1e56b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086197
StatusPUBLIC

Content hashes

Canonical textc3766ca061aa8dfe6a300553da22e54f7fc9943c04351f3fe93a0a2aacaf60f3
Markdown617f554ba2c3d2d107145cfff4d697ddc939cd949e02459faa159a59541ae443
PDF
Publication page3d70727faeb99fde473a446cd4d396fdc4994ae70b308f8182ed67fb3cc824d6
Manifest00d0bfdd6967f9672554ff91dd3faceb3c3b518ae5ce61f08cb9f867ad7b9124

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
Signature3+9NpCikZaLLqI4qGqgAe032KC7Xk6uqYdLyJQLYHRIdpDxrDZ2I9W22QACYcv8lEhcRYbVQun+pb9/xoztAAQ==
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

2026-09-17T09:53:52.618772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086197
observed 3d70727faeb99fde473a446cd4d396fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:52.602414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086197/manifest.json
observed 00d0bfdd6967f9672554ff91dd3faceb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:52.586880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086197/publication.md
observed 617f554ba2c3d2d107145cfff4d697dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:52.571062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086197/publication.txt
observed c3766ca061aa8dfe6a300553da22e54f...
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.