OpenTechnical

OT-2026-000100199

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, three 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-2026-000100199) never changes.

Identity and time

Publication numberOT-2026-000100199 · never reused
Internal UUID01a0aea3-3052-70cc-9ec5-bd9735dfedab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100199
StatusPUBLIC

Content hashes

Canonical text4673cff390c94432fa9af6fd565bb279fc92079bcb6c9308a77363c72bb73fe2
Markdownd5c0cfcb9b254dd886b2782c60b01779d2f846cedf2ec06ba018246e744aa649
PDF
Publication page507a8d99b7ea247029e1af52ab7db2424dc34013a2413aaaadaa1a083c04efb0
Manifestcb6be97d01bf7e8af51b5bc7e10a458aa37c43dabf654c20f62601603fbc7f20

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
SignaturekQwrx1hCx8uSPqylJqCOEwmyajYu7Mp6bdbvRBuumLKYVZyaJ/bToC0WrsP7w36jYHc5oUmgg6mYvkJyoMf/Ag==
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

2026-09-17T09:27:55.192936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100199
observed 507a8d99b7ea247029e1af52ab7db242...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:55.175562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100199/manifest.json
observed cb6be97d01bf7e8af51b5bc7e10a458a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:55.157504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100199/publication.md
observed d5c0cfcb9b254dd886b2782c60b01779...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:55.137818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100199/publication.txt
observed 4673cff390c94432fa9af6fd565bb279...
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.