OpenTechnical

OT-2026-000027659

Publication integrity record

Four cup vacuum gripper, four zone face, three stage ejector, 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-2026-000027659) never changes.

Identity and time

Publication numberOT-2026-000027659 · never reused
Internal UUID01a0ae72-6999-756d-88dd-636d08767309 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027659
StatusPUBLIC

Content hashes

Canonical text11a9212dceeec89aa0864ce85306be90f02f27d57142192f9b3d9bdf11d97f90
Markdownbd6c3fe8a1eb1a53195b3bc8697f088e43e1b548b4c5d266ebe4cf067598e87b
PDF
Publication page4f54689360a213891aca36471ead23288348dafef619e7cca1260a55087d5688
Manifesta87c69974297570ed0f9c7260ee1838f22c717cf6d77388f6729308ef6a458b9

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
Signature8stpU+VKbkhtK2OviK29qLcZPUayiz5CZSak1IdgZ7eXweNFH9N511QHMHll0ALpred1G+6m+q8MMLwAIIrVBA==
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

2026-09-17T11:43:11.421579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027659
observed 4f54689360a213891aca36471ead2328...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:11.404997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027659/manifest.json
observed a87c69974297570ed0f9c7260ee1838f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:11.388707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027659/publication.md
observed bd6c3fe8a1eb1a53195b3bc8697f088e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:11.370221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027659/publication.txt
observed 11a9212dceeec89aa0864ce85306be90...
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.