OpenTechnical

OT-2026-000047613

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained 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-2026-000047613) never changes.

Identity and time

Publication numberOT-2026-000047613 · never reused
Internal UUID01a0ae7f-3e5a-7af7-8b54-c3c731cf499b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047613
StatusPUBLIC

Content hashes

Canonical textc4e7b81f5fab9f26b02e621d9b6bfef6302ba3a979c2e28434d50af52c4fd279
Markdown9b0db96265b3acb556a676f875397634335878a43ba3b13532948a236995e67b
PDF
Publication page318e2f1adeb957b1150916d01eef47c375e89a82d02113b967d3f906b48e5480
Manifestf7dcae64125a8d6b818edadd254ad1ccf877b354a10962fc054cf346db63d958

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
SignatureYdxBMJW8lG23SpVSk//eu9n4v0e8bbjqIg/T15nQipIBHNvpzDDv9Bvp/HBGf3ZtUrQ4TCVUJk4qf2lD7snGDw==
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

2026-09-17T11:06:45.212635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047613
observed 318e2f1adeb957b1150916d01eef47c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:45.194915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047613/manifest.json
observed f7dcae64125a8d6b818edadd254ad1cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:45.178644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047613/publication.md
observed 9b0db96265b3acb556a676f875397634...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:45.161177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047613/publication.txt
observed c4e7b81f5fab9f26b02e621d9b6bfef6...
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.