OpenTechnical

OT-2026-000006528

Publication integrity record

Vacuum cup gripper, three outlet manifold, two stage ejector, contact triggered, polyurethane cups, flat form

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-2026-000006528) never changes.

Identity and time

Publication numberOT-2026-000006528 · never reused
Internal UUID01a0a95e-5b73-7214-beae-19e5e1da8a97 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:38:48.437700Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006528
StatusPUBLIC

Content hashes

Canonical textdaa405d9c4a00437a84da6806a6d924b69605e0ba22f0fff0f878b344f19f997
Markdown04a020207b892cf421d4402f6c3f4be54fd0c9e622dd27784710c8922bf09fbe
PDF
Publication page87d5d220df26ad4b3f397ffca89e74fbc52c5c2d78cf8eb941dcd3ad5cf6d7bc
Manifestfad89b37817d72fe301f8f3e319fca875a5e6dc75acc41f786004b9f9087d740

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
SignatureSt7MHEOqKLa4FdPaBJHAARn/MnTCga5Pq/yYfEexBg994FGazRM/VEgwmpfpjbqLNgWczfCYdeBozYNOMmzjAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:06.882380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006528
observed 87d5d220df26ad4b3f397ffca89e74fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:06.753107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006528/manifest.json
observed fad89b37817d72fe301f8f3e319fca87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:06.739572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006528/publication.md
observed 04a020207b892cf421d4402f6c3f4be5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:06.722991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006528/publication.txt
observed daa405d9c4a00437a84da6806a6d924b...
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.