OpenTechnical

OT-2026-000099882

Publication integrity record

Four bellows cup vacuum gripper, four zone face, 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-2026-000099882) never changes.

Identity and time

Publication numberOT-2026-000099882 · never reused
Internal UUID01a0aea3-1473-796f-b883-7c98f1c7b44e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099882
StatusPUBLIC

Content hashes

Canonical text1836ff1068e401483c00274488c4fbaa10719ccb39115a3080cce5423014b2b2
Markdownc0f3b8e51e2cf09074d6b7542f2728085359f09753faf2dbc7a67d65afbfdd53
PDF
Publication page13d0a2a8147c6d01cf103bf426fb6e48beb3d71aaafec7ea016e24ad20d81609
Manifest10ffa15ff7c1d84a496c7ed7e38a2b4846e2cc75500252ff9bad2a4d3cee0462

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
Signaturelep4VEqXn/DyvtTtvbIBLjNnLjkMgbtpIvXKLfANFYXHFFnBui/XEJF+YxXqSNAVgwT9F1ldHJ2Q1u5U1TAbDA==
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

2026-09-17T09:30:30.661907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099882
observed 13d0a2a8147c6d01cf103bf426fb6e48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:30.641507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099882/manifest.json
observed 10ffa15ff7c1d84a496c7ed7e38a2b48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:30.622618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099882/publication.md
observed c0f3b8e51e2cf09074d6b7542f272808...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:30.604103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099882/publication.txt
observed 1836ff1068e401483c00274488c4fbaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:46.361028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099882
observed 13d0a2a8147c6d01cf103bf426fb6e48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:46.342979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099882/manifest.json
observed 10ffa15ff7c1d84a496c7ed7e38a2b48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:46.323267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099882/publication.md
observed c0f3b8e51e2cf09074d6b7542f272808...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:46.302624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099882/publication.txt
observed 1836ff1068e401483c00274488c4fbaa...
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.