OpenTechnical

OT-2026-000070129

Publication integrity record

Two cup vacuum gripper, two zone face, plant vacuum fed, 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-2026-000070129) never changes.

Identity and time

Publication numberOT-2026-000070129 · never reused
Internal UUID01a0ae91-1862-7bd4-83fa-e09599277f0a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070129
StatusPUBLIC

Content hashes

Canonical text2a5fec685100cdb5297f578f5cc880fc742938286f76b1c870aae8752f6419f1
Markdown76f320cab46727b3b945530ce9f6f7cc362c523365a0afea6cb012b29c44e093
PDF
Publication page96788cf7a9380f6818f31f1018a4c29cad67a5535d5f232a8cf27dcad18a0725
Manifest3df37dfa7bc456eabb8b472c10a75049464df0b2c1bd8e84d4df21795a878688

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
Signature8xLHNBHR47qSy+KLOX8aoG30sB17a+O669TuV09NkopYK7+mbu3a0LTMuyMRfLB61Fgpf48/K7YJfYxjPiClBg==
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

2026-09-17T10:27:10.230373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070129
observed 96788cf7a9380f6818f31f1018a4c29c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:10.209862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070129/manifest.json
observed 3df37dfa7bc456eabb8b472c10a75049...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:10.191457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070129/publication.md
observed 76f320cab46727b3b945530ce9f6f7cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:10.172192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070129/publication.txt
observed 2a5fec685100cdb5297f578f5cc880fc...
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.