OpenTechnical

OT-2026-000049170

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, three stage ejector, supply line 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-2026-000049170) never changes.

Identity and time

Publication numberOT-2026-000049170 · never reused
Internal UUID01a0ae81-134e-7138-8b94-083115d3e2c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049170
StatusPUBLIC

Content hashes

Canonical text7027711144bd94883d932e1946f04ef92da8c0ad5dc2ee1637e8a760528e0daa
Markdown611e80b5b3f4249a8b416435414f4eb1d1de99fc0493214917397d60d7cf84e6
PDF
Publication pagedb619fece33cfb3d93e3aac73c65d81c79895a2310a475db74bb6ba61908e76e
Manifest0ca53ae4bf67eeff6d8e8e1a4e8fc3c47d61a47bfd7b2228c137b29dcd5c3e8b

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
SignatureXNUqYG/oie6hN0rw6iycRzEMnZZsqy9NdGoBQbGKenTq46MECbrNlSZNsbmSorXnFeFAFkDmmjcGK9np03R7CQ==
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

2026-09-17T11:03:58.239339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049170
observed db619fece33cfb3d93e3aac73c65d81c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:58.220208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049170/manifest.json
observed 0ca53ae4bf67eeff6d8e8e1a4e8fc3c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:58.203355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049170/publication.md
observed 611e80b5b3f4249a8b416435414f4eb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:58.186335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049170/publication.txt
observed 7027711144bd94883d932e1946f04ef9...
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.