OpenTechnical

OT-2026-000099803

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum fed, pressure sensor per zone, 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-2026-000099803) never changes.

Identity and time

Publication numberOT-2026-000099803 · never reused
Internal UUID01a0aea2-c978-7823-a769-66cedc996783 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099803
StatusPUBLIC

Content hashes

Canonical text16e7d85386d459ade0bd8fa68e1c4b46635be661a070ec792531ef87f8983889
Markdowncb36eeef4377c1d51e8026bd35073eb8e3ab88e54010a05b41a4489ccb650109
PDF
Publication page6aadadac206067686b3c1265ff604f29f5c45c51d685b1ff3d7701a1aa605296
Manifest46bc37ca8bb94bd41a60f2ecb383e5aef14808f8e2c5dcaf418e0b713afb525f

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
SignatureqBg6V7I/3PBSq504ZJSmwSStdEbrZuomzr+x/GYyTY9mWPqBGH1nLHXIkhnxUgKPfXQxdSEdiCYRQ+e8xIX3CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:50.473354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099803
observed 6aadadac206067686b3c1265ff604f29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:50.455519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099803/manifest.json
observed 46bc37ca8bb94bd41a60f2ecb383e5ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:50.438532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099803/publication.md
observed cb36eeef4377c1d51e8026bd35073eb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:50.422556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099803/publication.txt
observed 16e7d85386d459ade0bd8fa68e1c4b46...
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.