OpenTechnical

OT-2026-000046072

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off 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-2026-000046072) never changes.

Identity and time

Publication numberOT-2026-000046072 · never reused
Internal UUID01a0ae7e-032a-79fa-bc46-b08fbe123eea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:29.080672Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046072
StatusPUBLIC

Content hashes

Canonical text34e82bd37aa61c195fe49c1c7ba80a6fc043dab66ea45effc0ad93e05b9cbca9
Markdown9e12f7bf6f02391dad249c3f29d15d7c9097a8103ddef29cd7e7688c14837c5d
PDF
Publication page62f7c8bafb230e2674588de2fe2afc4b27184733b9be5666abc365d46c67dc9b
Manifestf0b0edaea0ab2a325d86adfe10b9f792b9752f823ef2527b8bf1a6dfaeb90620

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
Signature1vNkTBf/Kd26nJu5PtWzzm3qO9izi3oK94t2UWU5RGX8gCHIVeDmypI1izBAyRnQCgbGj6NJSNTJqIsXpbpiDg==
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

2026-09-17T11:09:02.261632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046072
observed 62f7c8bafb230e2674588de2fe2afc4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:02.242479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046072/manifest.json
observed f0b0edaea0ab2a325d86adfe10b9f792...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:02.222419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046072/publication.md
observed 9e12f7bf6f02391dad249c3f29d15d7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:02.202758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046072/publication.txt
observed 34e82bd37aa61c195fe49c1c7ba80a6f...
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.