OpenTechnical

OT-2026-000009541

Publication integrity record

Four cup vacuum gripper, four zone face, two stage ejector, supply line pressure sensor, vented 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-2026-000009541) never changes.

Identity and time

Publication numberOT-2026-000009541 · never reused
Internal UUID01a0ae6b-7562-7597-9784-5e6ea2816dda · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009541
StatusPUBLIC

Content hashes

Canonical textecb46e62a7c7d96dc1f6de70553f5806450d1f02dfb1c502cc6c4944af515cb1
Markdown02ee7f1394bd4bb7986644900cc28072f9ff487f634d450ca73c57c98f9c4f4c
PDF
Publication pagea716a5ed73786039f05a398f2b33840cd8f93fae8fc9a7ad5699ef9bdbf8d9b4
Manifestee6be75af290b9c032527ec3beff30fdd881a92150f5c5f690a860eb8998e4e8

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
Signature5fzhroLxMZX4GBa7c8u7ozAuNvaYRoNqCDXwTi8V2rvBh4Vzeyee29zHQc8aD/uancj1MTpsEDb13aUQn+7cCw==
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

2026-09-17T12:16:57.885838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009541
observed a716a5ed73786039f05a398f2b33840c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:57.867271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009541/manifest.json
observed ee6be75af290b9c032527ec3beff30fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:57.849484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009541/publication.md
observed 02ee7f1394bd4bb7986644900cc28072...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:57.830029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009541/publication.txt
observed ecb46e62a7c7d96dc1f6de70553f5806...
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.