OpenTechnical

OT-2026-000100949

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000100949) never changes.

Identity and time

Publication numberOT-2026-000100949 · never reused
Internal UUID01a0aea3-c377-7bc3-acde-8266c677020e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100949
StatusPUBLIC

Content hashes

Canonical text091743eb111c80c6a21b56e8f5191abfae0183a65ad2bf4a012c231cf6f06829
Markdown297597b3415d17ff6ee9f5b5795cb1312b1c4d0e5b34bac5f0ce88eeff33a9ae
PDF
Publication page70c80126222061bb90cec65c34d5fbd9310f5cd9e0703e9b3066f1225654f14e
Manifestc2a87f75ce2b9f28446950a43cd109e0d1975f194d37f40e0975f48b1672910a

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
SignatureAf4bWZJmj5JtE1S9RxTLWItkz65qYsmbaQKQQ4r+vfyKzHcFni4vv9bXAxMryAb3KPrEUHywZFKjJhfRFviHBQ==
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

2026-09-17T09:26:27.425614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100949
observed 70c80126222061bb90cec65c34d5fbd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:27.407281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100949/manifest.json
observed c2a87f75ce2b9f28446950a43cd109e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:27.382237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100949/publication.md
observed 297597b3415d17ff6ee9f5b5795cb131...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:27.364825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100949/publication.txt
observed 091743eb111c80c6a21b56e8f5191abf...
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.