OpenTechnical

OT-2026-000062597

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three 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-2026-000062597) never changes.

Identity and time

Publication numberOT-2026-000062597 · never reused
Internal UUID01a0ae8c-0ac1-7427-ba72-49deb9330f6d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062597
StatusPUBLIC

Content hashes

Canonical textbc157cc0b40b8188c543130cd690ae3240258bf5cd002efda7c50c537fb9d7a3
Markdowna86aaa08a19caa3b3df261bccd7c52c7ea9e71543d420789aa5f90c219b49255
PDF
Publication page5c4f1a2d244d9608b0f36e41dbe0e9da03f522407d5a06e30929c9b12cb1373e
Manifestb82a4f0217c0a4db5f43f510a07a653a0e83414a8407c679635331b1bab0b90a

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
SignatureLnEOIQJsSGcwOEO7Q6cFS59CVojf2lqvsr3vVMxpZbxz4zvFsHOTQ9n6nRKAEp89sR8wZvDjYfNPZqXoSfBaCQ==
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

2026-09-17T10:40:05.678429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062597
observed 5c4f1a2d244d9608b0f36e41dbe0e9da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:05.656654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062597/manifest.json
observed b82a4f0217c0a4db5f43f510a07a653a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:05.634010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062597/publication.md
observed a86aaa08a19caa3b3df261bccd7c52c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:05.610379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062597/publication.txt
observed bc157cc0b40b8188c543130cd690ae32...
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.