OpenTechnical

OT-2026-000045506

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off after set-down

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-2026-000045506) never changes.

Identity and time

Publication numberOT-2026-000045506 · never reused
Internal UUID01a0ae7c-f76d-705d-9b80-cf14fac16cbf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045506
StatusPUBLIC

Content hashes

Canonical text9b338b244053c0ca7e1039ab64cb78dde91ebc46dd8ab7237c0b2201be692024
Markdown67ae1e26f390073293506d8d7579f8486a7b1b805ff3c27c35e3a5be0154a34c
PDF
Publication page874128d9c6e295a974ac38e6f51f6dc8d1f653ed35528c8c9f49b4a2ede1e8d2
Manifest99c633cd9f1425b32dba559b207189cb76ba22b83fdac2c922d00b6f27bf1b5f

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
Signature+eFVlOFI3JkNAV+FaEoe/J/nmK8kCdQdxythz+8NhVQvJ4ZFHhRwaOWW4WSZMqZniAIAOKpLLlvZElwNHcyrAw==
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

2026-09-17T11:11:19.563488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045506
observed 874128d9c6e295a974ac38e6f51f6dc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:19.547222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045506/manifest.json
observed 99c633cd9f1425b32dba559b207189cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:19.529857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045506/publication.md
observed 67ae1e26f390073293506d8d7579f848...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:19.510588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045506/publication.txt
observed 9b338b244053c0ca7e1039ab64cb78dd...
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.