OpenTechnical

OT-2026-000050588

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, pulsed 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-2026-000050588) never changes.

Identity and time

Publication numberOT-2026-000050588 · never reused
Internal UUID01a0ae82-5c4a-7b75-9ebf-279a4c59448c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050588
StatusPUBLIC

Content hashes

Canonical text0312c0f02b7de3723eb8758ac240756397d96c6df98f775a15f22f1eacf90a6d
Markdown3b2f27ce0bdb9c8711419996f05d3232ab41f48c253df4f9dde23127dd206491
PDF
Publication paged8d9f8d677e6ab27720c4ede8706a1175811270823770e8d080ec3cc177950fc
Manifestf9ec6bda0cf657594bf895ba124534a8b14948cab523507347e5d7b9b188376c

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
SignatureO6dkIcS7DzX1ZwvyE6VgIDkVd2pAhFpfGF3CTkOBJ2fvasio0U6CFOPh0vBywROvnzYrLYDdgmbawTVcuJmQDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:01:41.525865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050588
observed d8d9f8d677e6ab27720c4ede8706a117...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:41.507509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050588/manifest.json
observed f9ec6bda0cf657594bf895ba124534a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:41.490363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050588/publication.md
observed 3b2f27ce0bdb9c8711419996f05d3232...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:41.470934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050588/publication.txt
observed 0312c0f02b7de3723eb8758ac2407563...
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.