OpenTechnical

OT-2026-000075487

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, manifold pressure sensor, pulsed 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-2026-000075487) never changes.

Identity and time

Publication numberOT-2026-000075487 · never reused
Internal UUID01a0ae93-f202-7255-bf8c-0eccb34a7943 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075487
StatusPUBLIC

Content hashes

Canonical textf90f4f806879c38629eaf55cf5a14d3e38791ac05eae898bde96a5251bf99385
Markdown1347ce5e3e720adb4cbe6e587e7296cc6668ee00926d252a604a830b0e6c978d
PDF
Publication page39d88651b9e0bc3084a89e845528bf91d4285ae385ec0bc0c15b9a3100bc06b0
Manifest40365aa7247bd80b09d7253cc17fedd8620ac6e3f6df641cfb4f3e68331be24d

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
SignatureF6l6tXQFL2mkxptnw8lm0GW3UJMhpG+lScqkTkGRotqZ0g2gq2v4ZNgzpDM3YSgGFjjXd3Wig60kUfp4BXxrCA==
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

2026-09-17T10:17:51.538466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075487
observed 39d88651b9e0bc3084a89e845528bf91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:51.518692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075487/manifest.json
observed 40365aa7247bd80b09d7253cc17fedd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:51.501238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075487/publication.md
observed 1347ce5e3e720adb4cbe6e587e7296cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:51.481017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075487/publication.txt
observed f90f4f806879c38629eaf55cf5a14d3e...
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.