OpenTechnical

OT-2026-000042195

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, 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-2026-000042195) never changes.

Identity and time

Publication numberOT-2026-000042195 · never reused
Internal UUID01a0ae7a-5d72-7525-8f16-c160912bc420 · 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-2026-000042195
StatusPUBLIC

Content hashes

Canonical textd900f929e99a9eb7f9cf51b99a99be4e9336b6b141841cb26be22849dd9cfc4e
Markdown8a1816b449ef73bd841e09a2c9bd32b35242975dbd1253a4ab9472c6de806525
PDF
Publication page70cac7dd9618747cf7f604392769f976c9e378c231ef18d3bf5b1f4053d8875e
Manifeste70d51d7e18d89d67e0f0d07befc08dec9b635a0bdcca0bcd12d05a3510c41da

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
SignatureLYoXdu9TOO4sE1Tpd6H7xJkeJRRGhRRD2TUiy9BbYsyscKMjGr/F0sbK9jfWLpQd5ifAm57AXqxWTNhxARfSAg==
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

2026-09-17T11:15:51.614274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042195
observed 70cac7dd9618747cf7f604392769f976...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:51.594510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042195/manifest.json
observed e70d51d7e18d89d67e0f0d07befc08de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:51.574916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042195/publication.md
observed 8a1816b449ef73bd841e09a2c9bd32b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:51.557536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042195/publication.txt
observed d900f929e99a9eb7f9cf51b99a99be4e...
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.