OpenTechnical

OT-2026-000081543

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, sustained blow-off before set-down

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-2026-000081543) never changes.

Identity and time

Publication numberOT-2026-000081543 · never reused
Internal UUID01a0ae97-0f71-71f2-bfba-b2eac3670e29 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081543
StatusPUBLIC

Content hashes

Canonical text09cf5f14bb71e4c13cb4816febe7ffdab7005c5f845a85d4089737046b010910
Markdown53c7c93f44e343197433a996673ba7bcc12381dbb4b0e00317ab923f5b87bfc5
PDF
Publication pagea66e7eb8b2da8f1c6a39855392d2413bb1839e5d4b8ff9e68c4e12300002f584
Manifest32f2f78b7fc0c346dff4a1f56363fe7ee20e986f6601f12645eee57228acc64e

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
SignatureDkbaSiMZlb6V5rM0KP6LjA4dE9lXDde4/DS6ly/CO5Oo8heO7pfgcAayMb4NViwwVN01yJL9asZt3MOnOFvDAg==
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

2026-09-17T09:59:33.995574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081543
observed a66e7eb8b2da8f1c6a39855392d2413b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:33.978519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081543/manifest.json
observed 32f2f78b7fc0c346dff4a1f56363fe7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:33.960575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081543/publication.md
observed 53c7c93f44e343197433a996673ba7bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:33.942573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081543/publication.txt
observed 09cf5f14bb71e4c13cb4816febe7ffda...
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.