OpenTechnical

OT-2026-000087393

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000087393) never changes.

Identity and time

Publication numberOT-2026-000087393 · never reused
Internal UUID01a0ae9a-cd4f-79ec-8aa1-580a0607c203 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087393
StatusPUBLIC

Content hashes

Canonical text3d1e28aba3cfd2540ca6da906dde99b2e1741f5cde11e9ae4982d499e2a71bbb
Markdown66f0a330ce9d34cd82c75271926cc3ab654f36140452e3a3876d895e20af1166
PDF
Publication page18c9c64d64f628dbf4a62d3e227a4dedba2f4360e57f7d621e86e390cd0b8f2a
Manifesta0d604e6b6b3301cdc631d6daf0ba0a851027b884efa354188e7de809931bffa

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
Signature2MYPVGuP03W5+5XSQkaSCSHbJMQxq8qJuyM5jrLFFDKnqI3B3QIdOGeXOhrIB5mML9qwQEDeMNfVb8WIy5BXAw==
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

2026-09-17T09:50:42.265684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087393
observed 18c9c64d64f628dbf4a62d3e227a4ded...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:42.246692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087393/manifest.json
observed a0d604e6b6b3301cdc631d6daf0ba0a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:42.203342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087393/publication.md
observed 66f0a330ce9d34cd82c75271926cc3ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:42.166110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087393/publication.txt
observed 3d1e28aba3cfd2540ca6da906dde99b2...
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.