OpenTechnical

OT-2026-000004542

Publication integrity record

Bellows cup vacuum gripper, ejector fed, contact triggered, pulsed blow off before set down

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-2026-000004542) never changes.

Identity and time

Publication numberOT-2026-000004542 · never reused
Internal UUID01a0a91b-6aca-7176-b71e-738c5e1734f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:25:41.453792Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004542
StatusPUBLIC

Content hashes

Canonical text77bd3d032fb3eae3cb3b54f8c90048aec902fadefc4dd5964efc781dd6cb7b37
Markdown33e1e165bfbe024364ac376a7a0e16bcf4b78908beb6c98cb52a7257a201b3da
PDF
Publication pagea0080aa326be6e130ef0d3020654d49d4da8a90f773aa73c16ba97016a75f451
Manifesta6a59affcdcbaaacc4612bcd4f094d43030f72b123f22378d86e93c6ac91a2be

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
SignaturezSIt3eWeQHplE4cRqhBpVCWh5v/3aQ21cR4FCrAvs0lAYjsanJMO5LDJ4+99iI+rm09wr1Ir0gY3QKl8gkpGAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:30:16.651836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004542
observed a0080aa326be6e130ef0d3020654d49d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:16.639410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004542/manifest.json
observed a6a59affcdcbaaacc4612bcd4f094d43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:16.627241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004542/publication.md
observed 33e1e165bfbe024364ac376a7a0e16bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:16.496406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004542/publication.txt
observed 77bd3d032fb3eae3cb3b54f8c90048ae...
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.