OpenTechnical

OT-2026-000084053

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, 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-2026-000084053) never changes.

Identity and time

Publication numberOT-2026-000084053 · never reused
Internal UUID01a0ae98-5b5e-7281-8e71-b27d1f4d09d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084053
StatusPUBLIC

Content hashes

Canonical text1af1c912951718ea83fa6e62f364a7ad9cffcd223fd0c81e7b8577ca9f99c3a2
Markdown027c7955eba2d47648f2b38023c1dd766340f1297dd905a87baaf586b318b676
PDF
Publication page8af6b4abdbf5d0fe5f48207f10cd513e92bab4c6b6c2c65fb8136751cb65b73e
Manifest62f98a3e3b05502bbd29cdc0dc9cae675146fbf0aace72ed270e272fa1db65ea

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
SignatureaN42HLEc4osohOLpR/b2htBOKM1Q675UioqhJ/XTT02XNRVsnWEjVJjz6cj+SFKRwwU4O8XVEUqaX2rRKlU2DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:55:47.263683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084053
observed 8af6b4abdbf5d0fe5f48207f10cd513e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:47.246486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084053/manifest.json
observed 62f98a3e3b05502bbd29cdc0dc9cae67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:47.227997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084053/publication.md
observed 027c7955eba2d47648f2b38023c1dd76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:47.210557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084053/publication.txt
observed 1af1c912951718ea83fa6e62f364a7ad...
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.