OpenTechnical

OT-2026-000035172

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, supply line 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-2026-000035172) never changes.

Identity and time

Publication numberOT-2026-000035172 · never reused
Internal UUID01a0ae76-6a1d-7243-a560-e88b42d31b8a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:11.150702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035172
StatusPUBLIC

Content hashes

Canonical texta2c90cae297413b51bc735616faecbf57cd6a85c4c609ff7eacd33353f8bdef9
Markdownd06de4aad70049def195de2774b08b11d8485f1a2ba336066cb9c91d3fd057fd
PDF
Publication pagead5f121e36c83e69f4ecdcbfda73aadaf63ec070e60f5b1bca873be961560565
Manifestfd622119fdfb4b2baa86d4036400a7ad85a1a9563b9212533cf3a70d2e8affcb

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
SignaturekDkO/mp98BIGED9yHePBmCtzk9qCx9zK0RZfVPzTeMnjviTQvoI9mDNIrFXbarBSgVbh4RByulCUXP4N0n0FAg==
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

2026-09-17T11:28:16.273386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035172
observed ad5f121e36c83e69f4ecdcbfda73aada...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:16.253462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035172/manifest.json
observed fd622119fdfb4b2baa86d4036400a7ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:16.235677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035172/publication.md
observed d06de4aad70049def195de2774b08b11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:16.216753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035172/publication.txt
observed a2c90cae297413b51bc735616faecbf5...
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.