OpenTechnical

OT-2026-000061954

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000061954) never changes.

Identity and time

Publication numberOT-2026-000061954 · never reused
Internal UUID01a0ae8b-b8ad-7910-b6ab-bb6fd3da2e65 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061954
StatusPUBLIC

Content hashes

Canonical text2d4b8db20742bf7c5e75060edef34fe3203946fcf446ffa421dcafd10dd80c04
Markdownb531c3a2b4ea44f6825a194c4f9239322fef5606f523b464f8956ee080179d48
PDF
Publication paged9ddddfb1a4db2a178fce347070b2ffd7fcd7d6e993f38a5376f5082d15e6167
Manifestea14856b7f4fa4489df705c73be802f3c8e929ab69224c3557033649c7101dfc

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
SignaturekJwIRsr0z/Jvi2SEjP5Ry0K4vtRGhzqHjCedBLqDDnax73+38IonKy8m7zpWp0mvcFJijurVodQKXYbC8Ik3Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:51.536059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061954
observed d9ddddfb1a4db2a178fce347070b2ffd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:51.514468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061954/manifest.json
observed ea14856b7f4fa4489df705c73be802f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:51.491031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061954/publication.md
observed b531c3a2b4ea44f6825a194c4f923932...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:51.469386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061954/publication.txt
observed 2d4b8db20742bf7c5e75060edef34fe3...
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.