OpenTechnical

OT-2026-000085227

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000085227) never changes.

Identity and time

Publication numberOT-2026-000085227 · never reused
Internal UUID01a0ae99-43bb-74e8-9ea1-48aa9a7cd8e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085227
StatusPUBLIC

Content hashes

Canonical texta94a2e4b7fb95340d56493128efe1ab254222fa42e26f38ad9584455b965d049
Markdownbe4cfd7f750d42e1138c3ee58353ed0bef910d1edbe0e939ce086455ede7942f
PDF
Publication page4fe1ce3e27f975bbb1dc9c715a8867c9235d067a5a287d851b8245935367a387
Manifestee755e4077a37eb12221ac86b5021d1ab193d2ec1be9da506930aa3f11090cae

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
SignaturegwL+rkmZ/5YdYmSZXF/CeNTwxEdFTsp9vHhQHt5vBnUlelMcjdzV7MsRpZYIFMb4fwmU0SS6FOEQ1TeMgLvdCQ==
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

2026-09-17T09:55:19.413443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085227
observed 4fe1ce3e27f975bbb1dc9c715a8867c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:19.398644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085227/manifest.json
observed ee755e4077a37eb12221ac86b5021d1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:19.382223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085227/publication.md
observed be4cfd7f750d42e1138c3ee58353ed0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:19.365013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085227/publication.txt
observed a94a2e4b7fb95340d56493128efe1ab2...
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.