OpenTechnical

OT-2026-000036139

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single stage ejector, 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-2026-000036139) never changes.

Identity and time

Publication numberOT-2026-000036139 · never reused
Internal UUID01a0ae77-01ce-7428-a89f-39b8c72de2f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036139
StatusPUBLIC

Content hashes

Canonical text6dfd92009bad6fe99a14d7f8d24ea071b2549b3ebeb92ad49f3fdfdfa3f1adf9
Markdown005527196d2d331f0e9826c64a626fb4ba0f1497a55d14603a229d29aac60530
PDF
Publication pagedc6e9d7842f15a1db2b87221ed5618b7ad2b5ec8ce454a460ed95ace4edd9b6d
Manifestb20cffd39563af2f929c402ff99eb23a12a7a60e8ea0ec98138fc5f8424dead2

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
SignaturebCj+YeXwYEEc5SoZDDn3XLbj/5tlDRWuUUiNgxCQUVNnfc9UxUHe6mgG3MtS1fQiryqcHX5ziN9TFVyCIk42CQ==
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

2026-09-17T11:26:20.410040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036139
observed dc6e9d7842f15a1db2b87221ed5618b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:20.390523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036139/manifest.json
observed b20cffd39563af2f929c402ff99eb23a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:20.372882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036139/publication.md
observed 005527196d2d331f0e9826c64a626fb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:20.351181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036139/publication.txt
observed 6dfd92009bad6fe99a14d7f8d24ea071...
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.