OpenTechnical

OT-2026-000033256

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000033256) never changes.

Identity and time

Publication numberOT-2026-000033256 · never reused
Internal UUID01a0ae75-4845-7b71-b811-bd185e80282a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033256
StatusPUBLIC

Content hashes

Canonical textced25cb908dcd61423c77b9809091f9877a38ddd57e3f24764218c6cf0ee0510
Markdownfe2df5602dc3a9a5880e8782113e62976c880f98a407499c963593e75cdc55f7
PDF
Publication page2b86906b40a3b14764043d8c64186272970df6203231dba7761f9dbc0d135e88
Manifest99339cb57a799efc1d8920d38021857e551188abf5aed9c93ae5d1636c0aa5e9

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
Signaturex7vfPKjYq35UjRbgtO9NWGKjjex4YJmP90gehY+r8uI+WxQ4/KHFfbwJSVexKPfkQjFdj4RMD794j7L7HPcWBg==
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

2026-09-17T11:32:58.131952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033256
observed 2b86906b40a3b14764043d8c64186272...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:58.112727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033256/manifest.json
observed 99339cb57a799efc1d8920d38021857e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:58.094617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033256/publication.md
observed fe2df5602dc3a9a5880e8782113e6297...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:58.077406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033256/publication.txt
observed ced25cb908dcd61423c77b9809091f98...
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.