OpenTechnical

OT-2026-000037892

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000037892) never changes.

Identity and time

Publication numberOT-2026-000037892 · never reused
Internal UUID01a0ae77-f88a-709d-bbe9-c1b60e7bf215 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037892
StatusPUBLIC

Content hashes

Canonical text745ab3e3421c782191f54a161609f1cbbadc10fec1c8150f51e764e86e77e3e1
Markdown68cdfdb9b2e7a12bf454165f03c440bdcf941a86d09c9b1aefe1c0d878bccba8
PDF
Publication page1a4aa38a1edaf200a362b9693bc173b177902d23d3f6d50b17d6fa44710a3462
Manifeste7c95bf3c050d70bbdc0b150442878b0a39307484beca7b36ab43c39d02a3366

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
SignaturezcV0T3MLagvu8YT2L6xlR6GjYWinfnEXxcuDAk3UwyJiz5XWr5FHK+w9mNRnHURClg+n3K/mPg25+1m6Y23yDg==
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

2026-09-17T11:23:09.453043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037892
observed 1a4aa38a1edaf200a362b9693bc173b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:09.435694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037892/manifest.json
observed e7c95bf3c050d70bbdc0b150442878b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:09.415974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037892/publication.md
observed 68cdfdb9b2e7a12bf454165f03c440bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:09.398488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037892/publication.txt
observed 745ab3e3421c782191f54a161609f1cb...
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.