OpenTechnical

OT-2026-000014138

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, 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-2026-000014138) never changes.

Identity and time

Publication numberOT-2026-000014138 · never reused
Internal UUID01a0ae6d-b278-74ec-adf2-b31fd70e8f3d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014138
StatusPUBLIC

Content hashes

Canonical text5fd01b164ff4eee7a70953b41dfce188f7045fc0cfbb2f64265fcfddc9289b0b
Markdown7748d99d20d37484c21adc8d2280db4b228cc86b7af1d98c7529a451589cb499
PDF
Publication pagee05db36e358e9178f1e4960867044f6c9ededbb20cb415f44e69c484714415dd
Manifestc7cb14a98061a72ccfbf6c53b8b855ac1fade2fa61c400258cfb0292f72521f6

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
Signature8E3dGGiE94Q7eN2WDYmR8Ybz66h38MdWCG20mwXjO3EHS4fSrpr3ywL/LQgNXOl/eWEomBl8uzMFZelyu/lMCg==
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

2026-09-17T12:07:12.895012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014138
observed e05db36e358e9178f1e4960867044f6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:12.874266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014138/manifest.json
observed c7cb14a98061a72ccfbf6c53b8b855ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:12.854923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014138/publication.md
observed 7748d99d20d37484c21adc8d2280db4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:12.835297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014138/publication.txt
observed 5fd01b164ff4eee7a70953b41dfce188...
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.