OpenTechnical

OT-2026-000046967

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, pump 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-2026-000046967) never changes.

Identity and time

Publication numberOT-2026-000046967 · never reused
Internal UUID01a0ae7e-d0f6-7f7e-b65b-48f363c3afe6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046967
StatusPUBLIC

Content hashes

Canonical text3e4dfc6d771f07cf12240f52b24166482373aa7de179ba3bc3f5a7cd3b2cdbb8
Markdownbe5e191af72bf29682c5e1ddc9cc79239c37c1c4c170412617ff450285b174e3
PDF
Publication pageba0a92f30de88f77c5fc9cae6c63ba55d9533c9904a10d22559e6f845ca5e366
Manifestd3445c84ae74c672c28f8203f53cb9091fbf0b4049f01ec0e448bd0a210c71cf

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
SignatureK3MzR2XX+RZo51Mrs9ebDxF8854ssxFISme8LYSFEup6w8lYHca/dzdvK38BCIur30LUhNjoT1OaD5A+qzzqBA==
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

2026-09-17T11:10:08.416392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046967
observed ba0a92f30de88f77c5fc9cae6c63ba55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:08.394089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046967/manifest.json
observed d3445c84ae74c672c28f8203f53cb909...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:08.373022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046967/publication.md
observed be5e191af72bf29682c5e1ddc9cc7923...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:08.351626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046967/publication.txt
observed 3e4dfc6d771f07cf12240f52b2416648...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:42.258594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046967
observed ba0a92f30de88f77c5fc9cae6c63ba55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:42.241118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046967/manifest.json
observed d3445c84ae74c672c28f8203f53cb909...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:42.221487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046967/publication.md
observed be5e191af72bf29682c5e1ddc9cc7923...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:42.201813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046967/publication.txt
observed 3e4dfc6d771f07cf12240f52b2416648...
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.