OpenTechnical

OT-2026-000029926

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000029926) never changes.

Identity and time

Publication numberOT-2026-000029926 · never reused
Internal UUID01a0ae73-ac48-741a-b66f-5e15e70c8085 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029926
StatusPUBLIC

Content hashes

Canonical text4ca991acf9f8fb15a58d5511fc672aeb5ff7200d54804ab02d42b7a11871ae6a
Markdown2abf14d3ffe4e83fd5c14e219d3dbf7228b82b94752d13f867fe797d7d60929b
PDF
Publication page8f784ca18128143730f39c907ed497be2fbbb18b8e6cc8117c624bc0db0477ab
Manifest555f32637da4966031c2d999a2ca1e1fb6f3dc7a9e572fbae24906691d68aeb7

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
Signaturef6FwdJzc6F2qOy5mHLctVsg9ROUQJdU+nl3XPQT4ydW8sfVV6mjKL4F51sBBVDqmAIVBua9tjUXGbAUe2M6hBQ==
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

2026-09-17T11:38:38.095265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029926
observed 8f784ca18128143730f39c907ed497be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:38.078375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029926/manifest.json
observed 555f32637da4966031c2d999a2ca1e1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:38.060581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029926/publication.md
observed 2abf14d3ffe4e83fd5c14e219d3dbf72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:38.042918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029926/publication.txt
observed 4ca991acf9f8fb15a58d5511fc672aeb...
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.