OpenTechnical

OT-2026-000099760

Publication integrity record

Three bellows cup vacuum gripper, three zone face, 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-2026-000099760) never changes.

Identity and time

Publication numberOT-2026-000099760 · never reused
Internal UUID01a0aea2-c977-7b4a-90e5-30a92ca49bec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099760
StatusPUBLIC

Content hashes

Canonical text4272fa41ed6d5e3059dd3b6a590c2c877a72ef2697b7eb941304389f2f885bfe
Markdownaf920f0d0ed35292f868e0e92f71ab0f044e9a4c078012d57a5aee012c13a388
PDF
Publication pagea870dd7a0ee32858dda3c9d31a9ecc7560d725084eb44bdcb8637eae6d874829
Manifest0572b7315fe214d61653958f40ebe5de9f600314675e3e5d45bbab692d6f6c7b

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
SignaturexVd5/R45KePVC13tew8DqCg8e35Y/jp8bz8H6PWL1RDpYD97Y+USlsTitkCBI9Yx/rxtiHbAwbJLNJPO00eUAQ==
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

2026-09-17T09:29:47.350995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099760
observed a870dd7a0ee32858dda3c9d31a9ecc75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:47.333429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099760/manifest.json
observed 0572b7315fe214d61653958f40ebe5de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:47.315053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099760/publication.md
observed af920f0d0ed35292f868e0e92f71ab0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:47.297043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099760/publication.txt
observed 4272fa41ed6d5e3059dd3b6a590c2c87...
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.