OpenTechnical

OT-2026-000099204

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, manifold 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-2026-000099204) never changes.

Identity and time

Publication numberOT-2026-000099204 · never reused
Internal UUID01a0aea2-8288-7315-8baf-7d93401cd5c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099204
StatusPUBLIC

Content hashes

Canonical text816ca04e20560ebd5aacfd2e5b1a5bdf6b587feb420f50d3fb69c7526687cae9
Markdown9af90b1a4ba84656df78447c349aa14bbe7271491ada3cf9341acc3656d6ef51
PDF
Publication pagecbeed2ddd6b0a5710159291e4fdcd628566f17747ceb842876c9f28c11925a71
Manifestd0421ae1973869e469977c4be10219a428664892dfcde23bcb6f78ecce05b9e5

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
Signatureg9uoXwAyIO6i6JGNbvwi4ON38+c5iZNxq/qje9zh5fqPs3iQrt4my5/ZgEolAhZqvffYGv/1rCv/A9Jv/pi6CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:35.805526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099204
observed cbeed2ddd6b0a5710159291e4fdcd628...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:35.785461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099204/manifest.json
observed d0421ae1973869e469977c4be10219a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:35.766539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099204/publication.md
observed 9af90b1a4ba84656df78447c349aa14b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:35.744373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099204/publication.txt
observed 816ca04e20560ebd5aacfd2e5b1a5bdf...
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.