OpenTechnical

OT-2026-000089214

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two 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-2026-000089214) never changes.

Identity and time

Publication numberOT-2026-000089214 · never reused
Internal UUID01a0ae9b-db00-7338-977a-d27e2cfe91db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089214
StatusPUBLIC

Content hashes

Canonical text885ad3e63d5e001915433c700ec368cee443842bce49f608e9c34809b7ed9b48
Markdownd36878c8c804d114a8dc7ab564fd5a6d0a234718bd5a1db6b7c108aef43cfa33
PDF
Publication pagebcf78d6213f3b13e0e8e43693d664a39e3439a3c114f76d12a5d869beaa26400
Manifestbbd871cfbc17b30e0b376c76fc24411631bad1212d25cb182f2512396215c821

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
SignatureYycuy4Ckf+ttC1G2diEGfO1w2ik+PM7l0haxQpoJ9lTz2oGyV9RjudSYFYJfZGeC9I/bgvkt3ahhBIaSvDf6Cg==
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

2026-09-17T09:47:14.178433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089214
observed bcf78d6213f3b13e0e8e43693d664a39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:14.162181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089214/manifest.json
observed bbd871cfbc17b30e0b376c76fc244116...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:14.146491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089214/publication.md
observed d36878c8c804d114a8dc7ab564fd5a6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:14.129511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089214/publication.txt
observed 885ad3e63d5e001915433c700ec368ce...
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.