OpenTechnical

OT-2026-000058420

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, sustained blow-off after 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-2026-000058420) never changes.

Identity and time

Publication numberOT-2026-000058420 · never reused
Internal UUID01a0ae88-f39a-7821-85fd-4b39c393bee6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058420
StatusPUBLIC

Content hashes

Canonical text172438489c193bf53b1a0e9636af003d91e35a1a007ec911668fb078f117dda6
Markdown31ca85aa8d14a66c589b59f8a595fa232dfc3033ed8fd6f66c4e3ef3982c6fd8
PDF
Publication page6b98c0625f15d1af4fe7c3db65304af3578d68ff87377547af076dbcf0065123
Manifest9d2d70cd470c8dfcbc070a0daffc60efb6f9030c2805e19536b7ea91e616d0e5

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
SignatureDz9hmUj6A2ltWpPrSDzIVq6gqUt4guYgT3jegokaDjjPJxCuYwvtVvi92W08sW7PSEiRgYHwsrUx30qTz1evAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:46:51.296902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058420
observed 6b98c0625f15d1af4fe7c3db65304af3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:51.279617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058420/manifest.json
observed 9d2d70cd470c8dfcbc070a0daffc60ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:51.261931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058420/publication.md
observed 31ca85aa8d14a66c589b59f8a595fa23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:51.244589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058420/publication.txt
observed 172438489c193bf53b1a0e9636af003d...
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.