OpenTechnical

OT-2026-000081706

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented after 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-2026-000081706) never changes.

Identity and time

Publication numberOT-2026-000081706 · never reused
Internal UUID01a0ae97-0f73-7276-b542-7f8721e823ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081706
StatusPUBLIC

Content hashes

Canonical textad34b70c870fb9e74837223af214db7bc271291840c798200ad7645f8af320ca
Markdown1fdc6c027438a185d57a2ebe8131fdc1ff8b9992f452a16acfdff055429cbc06
PDF
Publication page2bbe3947d3231538ea2a6990001b1407a7ae671cd669b82a2a7ecc9b9d51cf9d
Manifest455de6da97d928e61a3df54efd3b2f2d25a73f7bbc45f023b52de3ee7dc0dc19

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
Signaturel1ZWzV2eCSTymDQN0PsLcE4rmBDa1gj3FFyYi56WkuSE0TXLfY7R7+khzjMV1WKjnnVcPpUYJnozuXfPRtSABQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:59:46.612897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081706
observed 2bbe3947d3231538ea2a6990001b1407...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:46.594036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081706/manifest.json
observed 455de6da97d928e61a3df54efd3b2f2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:46.575423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081706/publication.md
observed 1fdc6c027438a185d57a2ebe8131fdc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:46.556893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081706/publication.txt
observed ad34b70c870fb9e74837223af214db7b...
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.