OpenTechnical

OT-2026-000062731

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, three 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-2026-000062731) never changes.

Identity and time

Publication numberOT-2026-000062731 · never reused
Internal UUID01a0ae8c-6389-7acf-8abb-53f7ea3cacdf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:11.271900Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062731
StatusPUBLIC

Content hashes

Canonical text22f3724541909ee2a95379439d097a84742e5b2d93afa385fdd4e00d5e19efbf
Markdown7d632e38e44296dbec9bf1dc71a00c72390506e974631967b7874b39f37a8d3a
PDF
Publication pageba70726ebc96e0fa1d614f9e4edbd206c7ec8734ef02a13757e6e4fabc42aa8a
Manifesta9b8b1b266302da70172ae5db38426d2ba9411ccd7c51b4e4857d317cd5dfd20

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
SignaturegJXk2ZKkHxrypVNB+Q2/mTmpyHOcw0BHgqvoJkx76HRattgSpUuCESM26xxO4KRvPT0FcqKhoyuC1PCkiLLpBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:39:18.281037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062731
observed ba70726ebc96e0fa1d614f9e4edbd206...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:18.261803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062731/manifest.json
observed a9b8b1b266302da70172ae5db38426d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:18.242021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062731/publication.md
observed 7d632e38e44296dbec9bf1dc71a00c72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:18.223943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062731/publication.txt
observed 22f3724541909ee2a95379439d097a84...
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.