OpenTechnical

OT-2026-000050717

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000050717) never changes.

Identity and time

Publication numberOT-2026-000050717 · never reused
Internal UUID01a0ae82-c7b1-7730-837e-0d43cd230314 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050717
StatusPUBLIC

Content hashes

Canonical text40d6a4480b44ce5981272af690a454f6ff955313c1ed00c360e3e4104eef02d4
Markdownb98cf7e2d661adf13f0cb27787f6ae90a011185736ac788f2cbf68496ad81f87
PDF
Publication paged418b2fdc44474de94d0b83f7f8ad15138cf9165c42b0d921e9b44bff6166488
Manifestf65aab97bd39d441a61ec75565f1b54778d09b0b30a81f79664f6d0d9897d910

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
Signature2V4OPkjMKfQuF2GMhu8k8I59X0Xk0i3DBw7rQd2BV4Ruu8fT/F1IY2CThfmfYrzDjR1B5wBu8I39jWMFykc+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

2026-09-17T11:00:04.510198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050717
observed d418b2fdc44474de94d0b83f7f8ad151...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:04.488119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050717/manifest.json
observed f65aab97bd39d441a61ec75565f1b547...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:04.483643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050717
observed d418b2fdc44474de94d0b83f7f8ad151...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:04.464505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050717/publication.md
observed b98cf7e2d661adf13f0cb27787f6ae90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:04.462033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050717/manifest.json
observed f65aab97bd39d441a61ec75565f1b547...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:04.444491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050717/publication.txt
observed 40d6a4480b44ce5981272af690a454f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:04.442296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050717/publication.md
observed b98cf7e2d661adf13f0cb27787f6ae90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:04.418341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050717/publication.txt
observed 40d6a4480b44ce5981272af690a454f6...
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.