OpenTechnical

OT-2026-000043596

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, pulsed blow-off after 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-2026-000043596) never changes.

Identity and time

Publication numberOT-2026-000043596 · never reused
Internal UUID01a0ae7b-92cf-7e26-8f7c-a0e727784880 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043596
StatusPUBLIC

Content hashes

Canonical text094054379eed3c9bd42ff9e1ba7cfb56fbece21d22f9d4a8881a26309b1ab58b
Markdown3ab9e5b80a978933ac7bbe79b1afda8055fc11fed07ba0fc8b54742e82d08231
PDF
Publication page9c36ad19767c3ddb1d5b81aea791da448b8ecef93609d8103b228787352aec54
Manifest6b960e3b05ef676befcc85ca85d23ae67098592266a0f4279cc350e06b491c29

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
SignatureStZRUiogQ8Y9TPXhCHZsTuSGVFT3R0LnO6d5fRT/B3xdcmAcBY5wh+dneqV975WpO404THRyUSx0L6Yq0ksbAA==
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

2026-09-17T11:13:00.049966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043596
observed 9c36ad19767c3ddb1d5b81aea791da44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:00.031210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043596/manifest.json
observed 6b960e3b05ef676befcc85ca85d23ae6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:00.013370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043596/publication.md
observed 3ab9e5b80a978933ac7bbe79b1afda80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:59.994917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043596/publication.txt
observed 094054379eed3c9bd42ff9e1ba7cfb56...
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.