OpenTechnical

OT-2026-000087664

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, supply line pressure sensor, 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-2026-000087664) never changes.

Identity and time

Publication numberOT-2026-000087664 · never reused
Internal UUID01a0ae9a-cd54-7a7d-977b-d25cf8299b50 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087664
StatusPUBLIC

Content hashes

Canonical textae1529ac358b1d5845295e777434f20b3f03ceef11b98a5717818deae10e8110
Markdowna483e5e1b3c66bf1d338eb7eb5c88d16a4c52f612865ffb88c940eb6b957157c
PDF
Publication page636ae6cbe1a96696e3d82aa42032d3f2473b372e92616c448f10c9c52a640732
Manifest4ee4e161ba84c43c526105a29953ddc68a9a9d1b7f26f2ea77005235ae2ae1b1

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
Signature9PUGm1pvIkDxX30fM+/VLaIn5tPGDF4AJ7rFUdnhCQYNllL2IumQhjTH9DxrmfmrQ8wTvbInSva5FSjcZmcVAw==
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

2026-09-17T09:51:06.575222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087664
observed 636ae6cbe1a96696e3d82aa42032d3f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:06.558011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087664/manifest.json
observed 4ee4e161ba84c43c526105a29953ddc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:06.541326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087664/publication.md
observed a483e5e1b3c66bf1d338eb7eb5c88d16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:06.523761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087664/publication.txt
observed ae1529ac358b1d5845295e777434f20b...
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.