OpenTechnical

OT-2026-000012210

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, 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-2026-000012210) never changes.

Identity and time

Publication numberOT-2026-000012210 · never reused
Internal UUID01a0ae6d-39f5-79e4-a209-8e4fd71eef6f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012210
StatusPUBLIC

Content hashes

Canonical text36bda021c8cc8d8f00c1256a126879519f2340e8860a386d27b5a52d76e48b7c
Markdown475764e717002db311ec787fe0b53c3bd4c8111ed18bc1fccb6f7254835fa05c
PDF
Publication pagec4c081a49ab1833d3335a6c994b23263e2ffbed7d3f77bebdded02c410475d2b
Manifesta3eb0d35743e00f7efe964c8fd321bbdeb97b6ee38722061f46b328242d1f2f2

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
Signaturebcuno6fQyY7hczPpIWbD5hSkqYt9KKTCg6Dg1ih0cUmtqDXoZYfd/z6kDyetUDIT/n8C5dPIuMT/99isY/bYCA==
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

2026-09-17T12:11:07.488844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012210
observed c4c081a49ab1833d3335a6c994b23263...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:07.469879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012210/manifest.json
observed a3eb0d35743e00f7efe964c8fd321bbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:07.450474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012210/publication.md
observed 475764e717002db311ec787fe0b53c3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:07.430662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012210/publication.txt
observed 36bda021c8cc8d8f00c1256a12687951...
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.