OpenTechnical

OT-2026-000097307

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, 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-2026-000097307) never changes.

Identity and time

Publication numberOT-2026-000097307 · never reused
Internal UUID01a0aea1-01cb-7664-9fbb-0d10bf161e30 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097307
StatusPUBLIC

Content hashes

Canonical text72b05c561b533549445541a697fefeb4d1cdc5c1cb3483be2b053a55223ebc5f
Markdown2023ee22b43c4f074bfc1fe054f706ad514875791d5e4418649d236d7abcd196
PDF
Publication page55af410b0aade75624b05aac898ca724eb24c32043f3861a139696c67511b26a
Manifest990db5ea988698fde509bb959c907562bfab916f967cf1c3cc3a7f4e769ba570

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
Signature10Lgc922A+ygKNuyp8YYnppU7oZGI1o5AcPFzryT2hMGcu9jOOzgDcPeOxL+54dgFq79Ul7RaOADcVr7j8N0CA==
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

2026-09-17T12:41:04.223288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097307
observed 55af410b0aade75624b05aac898ca724...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:41:03.996195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097307/manifest.json
observed 990db5ea988698fde509bb959c907562...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:41:03.756720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097307/publication.md
observed 2023ee22b43c4f074bfc1fe054f706ad...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:41:03.496928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097307/publication.txt
observed 72b05c561b533549445541a697fefeb4...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T09:33:34.359001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097307
observed 55af410b0aade75624b05aac898ca724...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:34.342380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097307/manifest.json
observed 990db5ea988698fde509bb959c907562...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:34.326138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097307/publication.md
observed 2023ee22b43c4f074bfc1fe054f706ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:34.310538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097307/publication.txt
observed 72b05c561b533549445541a697fefeb4...
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.