OpenTechnical

OT-2026-000086554

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum 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-2026-000086554) never changes.

Identity and time

Publication numberOT-2026-000086554 · never reused
Internal UUID01a0ae9a-2c98-7b92-83e1-dad3303f747a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086554
StatusPUBLIC

Content hashes

Canonical text13be2fbb86a7d2fa97c47a838a820a10f2acc68e414cfa21156c6a8b52de2d03
Markdowne06d36abbbde1c4335dfefe54a653a1300506022cd7cc42752c744da4b4e6110
PDF
Publication pagef82628d03f4b51ead2d8fd0ecb644bb031b75c51098bc2df99c1678c6d6cfc80
Manifest97759120c401eba57bd22a3e7ac12cdde897b803f9f9588eb66d613b095c928e

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
SignatureavifetJkN+OgzIFf8RJ7IfyBYZkA/AU2oCk95GZCd12qO7vc9As5BY7lZ1uF/27GWapZfqtqizZxMlM/sOX3Cg==
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

2026-09-17T09:52:23.173584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086554
observed f82628d03f4b51ead2d8fd0ecb644bb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:23.155592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086554/manifest.json
observed 97759120c401eba57bd22a3e7ac12cdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:23.137563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086554/publication.md
observed e06d36abbbde1c4335dfefe54a653a13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:23.118908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086554/publication.txt
observed 13be2fbb86a7d2fa97c47a838a820a10...
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.