OpenTechnical

OT-2026-000066037

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000066037) never changes.

Identity and time

Publication numberOT-2026-000066037 · never reused
Internal UUID01a0ae8e-8dc2-7af8-abe9-bdd9d8276362 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066037
StatusPUBLIC

Content hashes

Canonical text853899b7a9eceba935ffca45723e4ef2eb3ad9768386e7002a7eaa16af1e26d8
Markdown712bc46571bc3a63d11170e63d0ab480a5ed2bb8414f3cf689b477712b395dd2
PDF
Publication page739a85b45175471bfe94249825725108b2c6259408258c28939188d348978d34
Manifest53f07a64ad3ca80aeb63dfe5afa3b3afa9fb36e24d347a8c0be30e9a46f80a8c

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
SignaturewZp5USg9OVmDR54yjLS0TwQmCo8qcswbQ3ECvWqg0fu1jzKtzCVcdab0JfZ3IS4DE8WFdE/3gpsgg7o5E6X2Cg==
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

2026-09-17T08:50:37.770914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066037
observed 739a85b45175471bfe94249825725108...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:37.750039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066037/manifest.json
observed 53f07a64ad3ca80aeb63dfe5afa3b3af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:37.728831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066037/publication.md
observed 712bc46571bc3a63d11170e63d0ab480...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:37.589249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066037/publication.txt
observed 853899b7a9eceba935ffca45723e4ef2...
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.