OpenTechnical

OT-2026-000042383

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000042383) never changes.

Identity and time

Publication numberOT-2026-000042383 · never reused
Internal UUID01a0ae7a-5d74-7546-a7f2-405de05c466f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042383
StatusPUBLIC

Content hashes

Canonical text27ec2a430eefe3c0ea36613028ef86a19745cccac99edf003a0aaa4f1c3ce69f
Markdownf74eb4fcd21a28b977785c69451a189f1d7c19afeb1492409a116b4b96e13c77
PDF
Publication pagee20dc257bbfaa385f589df4fcba5029abc15f689a3cd3c30abb923526346f9ff
Manifest7c7b5428b2c6ee79605cf5fb9ac423b3ae93eeb251734cba383b0c9ab8d68f3e

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
SignaturewYGAGVAlsGob9BjAKAqpAkFH+GEdLG9WF7qUA0YXUAjePJumWU5MNRs214k8GvAYtMoV5WqiyCHVKl9ui3+/CA==
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

2026-09-17T11:16:10.497255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042383
observed e20dc257bbfaa385f589df4fcba5029a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:10.480240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042383/manifest.json
observed 7c7b5428b2c6ee79605cf5fb9ac423b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:10.453847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042383/publication.md
observed f74eb4fcd21a28b977785c69451a189f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:10.428164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042383/publication.txt
observed 27ec2a430eefe3c0ea36613028ef86a1...
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.