OpenTechnical

OT-2026-000050526

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000050526) never changes.

Identity and time

Publication numberOT-2026-000050526 · never reused
Internal UUID01a0ae82-5c49-7ecb-b173-754004dff8f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050526
StatusPUBLIC

Content hashes

Canonical text60d80a64f0e3fc0759ec03af503b06b26bfe4e1ed7289b79ae5d9982ccdf683f
Markdown406eb44436de731cd2f2b3863695f7ba169f3d1fd47d6ae5514df99e53c78a0b
PDF
Publication page3cb2467c299f236b79a356ef4f51d96f7cbeaa512bd3ea5f6b005822dfdc09f7
Manifest2ae73c30fef897aae6c4aa61f4831e6ecacb316246731eb04039c6433fe4b85d

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
SignatureuI7fAdHJ9bVItv+gQSj/IieGk590E6s8P795r+ROfhZE38kClOcKpMyZzw9OeSSR8E5yPFdpoEG+iww+AxdTCQ==
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

2026-09-17T11:01:37.206036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050526
observed 3cb2467c299f236b79a356ef4f51d96f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:37.188550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050526/manifest.json
observed 2ae73c30fef897aae6c4aa61f4831e6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:37.172838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050526/publication.md
observed 406eb44436de731cd2f2b3863695f7ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:37.155127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050526/publication.txt
observed 60d80a64f0e3fc0759ec03af503b06b2...
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.