OpenTechnical

OT-2026-000038139

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000038139) never changes.

Identity and time

Publication numberOT-2026-000038139 · never reused
Internal UUID01a0ae77-f88b-74e4-b240-93ef3cda2828 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038139
StatusPUBLIC

Content hashes

Canonical texta19351c3c53f04a7cebeabf28ad2bdfca8e41fe50beb4041ddc9c16e64c7a165
Markdown2b6fd6d8e3dd51ff56fcfd7f39a149f09638a8dab1e954c5250a3c2c7bcdcfaa
PDF
Publication page3c21bfbf01eae01601eaf85be73e0cb77eeee123e9ce5f35d1ec8fa24d66eaf1
Manifest4c6b6ff063d9e02d0765e0dffa030856f77f014cdf264b152025baf71a0c9a32

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
Signaturei2beFn85s05pyamCYnG4Ytf0LJvSx9OGU/1/IV034TUuDQbHNzMm4SfEQIjU2Q758NbOCZtwR326ebMh1H4WCA==
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

2026-09-17T11:23:29.120930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038139
observed 3c21bfbf01eae01601eaf85be73e0cb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:29.105603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038139/manifest.json
observed 4c6b6ff063d9e02d0765e0dffa030856...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:29.088387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038139/publication.md
observed 2b6fd6d8e3dd51ff56fcfd7f39a149f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:29.070942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038139/publication.txt
observed a19351c3c53f04a7cebeabf28ad2bdfc...
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.