OpenTechnical

OT-2026-000007736

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, pump fed, 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-2026-000007736) never changes.

Identity and time

Publication numberOT-2026-000007736 · never reused
Internal UUID01a0ae62-843f-72b6-897d-ab80c4efdfc4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:27.126957Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007736
StatusPUBLIC

Content hashes

Canonical text5bf80e09e55fba8ca3175e7c148847ebe4e8941bc4b2b544cb56d18e27997432
Markdown6fd00005c6bd32237502e42e428fa9beaf787eb02131b76bfd15e7203ad11024
PDF
Publication pagea2ae7253fa2099bc67558c7db5e4b7ac04cd36170705a5fa363142b8889d0bfc
Manifest3643b667890746d68fb32afdc85ace4c2e721c2998f30363792a0293a21eca84

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
Signaturel0P6vhvvToVmpp8HH0IlbJZqNwyZdOTf6FLtM6mMfneAxwCq7WRVJPcy6KpoBlFOSLYQiKUTataRJUYhLSDcDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:07.697670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007736
observed a2ae7253fa2099bc67558c7db5e4b7ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:07.682135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007736/manifest.json
observed 3643b667890746d68fb32afdc85ace4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:07.666337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007736/publication.md
observed 6fd00005c6bd32237502e42e428fa9be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:07.647549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007736/publication.txt
observed 5bf80e09e55fba8ca3175e7c148847eb...
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.