OpenTechnical

OT-2026-000066508

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, 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-2026-000066508) never changes.

Identity and time

Publication numberOT-2026-000066508 · never reused
Internal UUID01a0ae8e-ce41-74fa-9f9d-709cf9749d70 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066508
StatusPUBLIC

Content hashes

Canonical text2499924eb749c4f2094103d9b284e363921bc081c337c8f939c4a8cb28df354c
Markdown93ff64a67503efa8896a5aa236541215938c82dd79a2e011d29c7d64def19ac6
PDF
Publication page7e89c06d81897bb3ceeab885731efc4c39c0fb91a1a5f9c285fd36b11b4bb77f
Manifest7a2b1447e773f7e42865c462a074280690e8fd8414b2d8df792f19b8238d42b8

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
SignatureQDULBz5b4tSjAMlY9es1afgPhvKxhZGSlQigljp1vNACtpJd4F0KZzuDeFN2V0N2MPs4pCWaW+ugkYnWHNPsCw==
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

2026-09-17T10:32:46.070460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066508
observed 7e89c06d81897bb3ceeab885731efc4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:46.052312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066508/manifest.json
observed 7a2b1447e773f7e42865c462a0742806...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:46.000196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066508/publication.md
observed 93ff64a67503efa8896a5aa236541215...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:45.982879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066508/publication.txt
observed 2499924eb749c4f2094103d9b284e363...
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.