OpenTechnical

OT-2026-000029085

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000029085) never changes.

Identity and time

Publication numberOT-2026-000029085 · never reused
Internal UUID01a0ae73-2a9f-7b59-bba5-a118a5c45547 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029085
StatusPUBLIC

Content hashes

Canonical text2bb4350c342935caf817c3e6a2ce2457f9595d4350bf86048d309c1ac68138a7
Markdown3e37cea7c260f1c6e44547191f999afb16c17580f8d2409916994118d7900dbe
PDF
Publication pagecbbae2b6980216d5387448aca19434ef7f722cdb34170ef0010ba32ccf634af7
Manifest5cfca600bfbb40d86aa8fca080172380c43e09a690a6fbcb6a7713aa0d09e3e7

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
SignaturellFrcCfdCZVb2y15/YU/yCFYkZAAztHqW6lFSynYyT0MyjkanDACobZmtoVRpLLQveEkhqbN0XuMP9QwvApvCA==
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

2026-09-17T08:20:48.203719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029085
observed cbbae2b6980216d5387448aca19434ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:48.186037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029085/manifest.json
observed 5cfca600bfbb40d86aa8fca080172380...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:48.038521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029085/publication.md
observed 3e37cea7c260f1c6e44547191f999afb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:48.021550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029085/publication.txt
observed 2bb4350c342935caf817c3e6a2ce2457...
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.