OpenTechnical

OT-2026-000008252

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, vented 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-2026-000008252) never changes.

Identity and time

Publication numberOT-2026-000008252 · never reused
Internal UUID01a0ae6a-908e-7159-ae8e-08ab72ce3c9b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008252
StatusPUBLIC

Content hashes

Canonical text0ad390bab2e9e21cd64023834089f7beaf706fe775ac4683c80d7a977a1d38b2
Markdownec84e29a8214f992c8634ace5e162253c9517bfff37af5436d15eefe71dfb0be
PDF
Publication page7eda78e575169b7317c7bf76a3c196e000dbc4b44623ea93798d83809258f36f
Manifestb24d42915c72aa82a3f3932b591bad30c4907c0ce98ce45aa7fb1ba737507e53

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
SignatureJOE9qEUI1VVaSlEvMbF766It8WwwDpYgfidKcr2HWbphthBHvMELFfGmn1a81M6zEzAtkw8WmVozBbeI9eHcDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:40.880267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008252
observed 7eda78e575169b7317c7bf76a3c196e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:40.861425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008252/manifest.json
observed b24d42915c72aa82a3f3932b591bad30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:40.583082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008252/publication.md
observed ec84e29a8214f992c8634ace5e162253...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:40.565201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008252/publication.txt
observed 0ad390bab2e9e21cd64023834089f7be...
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.