OpenTechnical

OT-2026-000017205

Publication integrity record

Single cup vacuum gripper, two stage ejector, supply line 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-2026-000017205) never changes.

Identity and time

Publication numberOT-2026-000017205 · never reused
Internal UUID01a0ae6e-76c7-7b53-b0ca-64a41f48c90a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017205
StatusPUBLIC

Content hashes

Canonical textd90699dc1debdecbc7690673907d7b9fd91d3cd159a8fe2068eef92cecc89c48
Markdownebf1eef0501f05081dbd96dba0fcb5568c44b011f2d8f2f0a02879c5c528ba36
PDF
Publication pagea74323701e08406ea896bc479f6dd683b103532706e13c0250a934592091d78a
Manifest8a77100987d267219f6620f55abed627120bc5a74dea4209b2b2cc9acdc0bd59

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
SignatureNqog2vKoJF+agq1dWaXtNJDDtvpaBIZqlClafyQ3s0vPUX9YXoTJ7d7I9Ou01xUCqaudr4a+Qw7oqmnEUQCGDA==
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

2026-09-17T12:02:16.789561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017205
observed a74323701e08406ea896bc479f6dd683...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:16.771840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017205/manifest.json
observed 8a77100987d267219f6620f55abed627...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:16.754906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017205/publication.md
observed ebf1eef0501f05081dbd96dba0fcb556...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:16.738765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017205/publication.txt
observed d90699dc1debdecbc7690673907d7b9f...
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.