OpenTechnical

OT-2026-000064755

Publication integrity record

Four bellows cup vacuum gripper, four zone face, plant vacuum fed, pressure sensor per zone, 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-2026-000064755) never changes.

Identity and time

Publication numberOT-2026-000064755 · never reused
Internal UUID01a0ae8d-deba-73c3-b76d-98cc095ff67f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064755
StatusPUBLIC

Content hashes

Canonical text01921182df82addf69eb9aee71804628312df6c8b359593608f2a5b0cf1e2ea9
Markdown38e3275f5b5728821b9653a9586e0b4558fd44f3e4681e01f9d6cbc0b9d3c2d1
PDF
Publication page0875c36e62a57eddd3b477c1e7ef6d93416d57647810ddf52c63183bc75c2849
Manifestcb48cafeef308478006b59d2e46b2291c35b0404e35a21b7beb0f09c2ed74087

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
SignatureUhpXz1QWcHjeWcGeHOo8kflOV8iRqfMPcA8XVH5rSLejrCTuM2l7jFMv1h/OV8k7UAJ4J9EOzxLoSUEhElm2Cw==
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

2026-09-17T10:35:38.358701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064755
observed 0875c36e62a57eddd3b477c1e7ef6d93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:38.341839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064755/manifest.json
observed cb48cafeef308478006b59d2e46b2291...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:38.324821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064755/publication.md
observed 38e3275f5b5728821b9653a9586e0b45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:38.308340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064755/publication.txt
observed 01921182df82addf69eb9aee71804628...
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.