OpenTechnical

OT-2026-000097700

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, pump fed, 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-2026-000097700) never changes.

Identity and time

Publication numberOT-2026-000097700 · never reused
Internal UUID01a0aea1-92f4-77a7-a1b0-52367f842722 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097700
StatusPUBLIC

Content hashes

Canonical text00b9e189261d73fcbe3687dbd5927a1a649e5f6ee4447c7ea7cdbd34a5e46d32
Markdownafadf4ea31ebd11f36a1763ca702376a57c9071eb49218d6a98ff6cc58446fc8
PDF
Publication page138f7c9817c3e99f8e165a5340cb33ba8764e5317a07ca26898cab81b74d326d
Manifest8fddc0ff2b3bcba337257dc71e6a4c9f81601fcfa82a192cd7adcc0369fc61f7

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
Signature50c+iIWmzjoKz9wfIxQgDQE8ccUC/omQXithd9gguWX/k83APTANUHO8rPY3xRipMLCzliRK/CzjXULlAnsXAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:32:43.510353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097700
observed 138f7c9817c3e99f8e165a5340cb33ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:43.492984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097700/manifest.json
observed 8fddc0ff2b3bcba337257dc71e6a4c9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:43.474283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097700/publication.md
observed afadf4ea31ebd11f36a1763ca702376a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:43.456042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097700/publication.txt
observed 00b9e189261d73fcbe3687dbd5927a1a...
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.