OpenTechnical

OT-2026-000085447

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump fed, sustained blow-off before set-down

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-2026-000085447) never changes.

Identity and time

Publication numberOT-2026-000085447 · never reused
Internal UUID01a0ae99-aaab-7b29-b9c2-ab3136180455 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085447
StatusPUBLIC

Content hashes

Canonical text2a599a10eba54002afe340c0ea9597fff06c652b99f16a8de541b13e55e80146
Markdownb78d9e24a86eae2735564583504213d03c506f0d6475a2637664430c1e8b706c
PDF
Publication paged9e3fc76678027997f610933d13072ee028c043746f6a5ccfbe8215ce70ad591
Manifest93961293145de43015a675138ac308fc6de28c4b4681eac4cd977a64f734dadb

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
SignaturePoPjLrz5U56txnfm6+IpX5Z50Ebiem/3jn86w5RV6Y34ctJq5koYAo5EjnnTu7VRrvO8bMq59Crt2cJTPKQ6AQ==
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

2026-09-17T09:54:14.059715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085447
observed d9e3fc76678027997f610933d13072ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:14.042563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085447/manifest.json
observed 93961293145de43015a675138ac308fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:14.025377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085447/publication.md
observed b78d9e24a86eae2735564583504213d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:14.006521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085447/publication.txt
observed 2a599a10eba54002afe340c0ea9597ff...
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.