OpenTechnical

OT-2026-000009936

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, supply line pressure sensor, vented 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-2026-000009936) never changes.

Identity and time

Publication numberOT-2026-000009936 · never reused
Internal UUID01a0ae6b-cb79-7514-aba7-7e132ac7ceef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009936
StatusPUBLIC

Content hashes

Canonical text06bf095c783f088b01051a0fdd2eda25597f81ee642262ba3b9f157a22206cb5
Markdown1bfa0399014270d58fa2cff738abd054c779dd19837fff9f571460586b9245d5
PDF
Publication page0198ec2682a6b9e837f6f4ddc8d48bac2e640de2c8e68b3be693da983deb8eba
Manifest36c228e25c671ba2f9d94e8f164f70cf226ea0bd1f4450be43721250f05f1b0a

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
SignatureFHfuH1zR4rfG3qG38GPDM2TDC7ByWFvPehJxMd/AI2dIPetkdLWq/+RhAJCzVshQ5w1Y1ZYPBK90wT+2F9e0DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:15:57.663721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009936
observed 0198ec2682a6b9e837f6f4ddc8d48bac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:57.641911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009936/manifest.json
observed 36c228e25c671ba2f9d94e8f164f70cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:57.620484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009936/publication.md
observed 1bfa0399014270d58fa2cff738abd054...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:57.598414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009936/publication.txt
observed 06bf095c783f088b01051a0fdd2eda25...
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.