OpenTechnical

OT-2026-000089833

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, manifold 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-2026-000089833) never changes.

Identity and time

Publication numberOT-2026-000089833 · never reused
Internal UUID01a0ae9c-428d-7985-8f0a-61b82cfb8da3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089833
StatusPUBLIC

Content hashes

Canonical textdd2ae51f7758fd8c99dbcc9cc36f01f9710656260f2c7487d00c3382dfe1b084
Markdown9e5ca5c9ceda63a9cff081141cda64bb6d3f10fa0e3f5380c532ed3ba34a3d31
PDF
Publication page10d9c7694c14997dafb7b20a0c52df2b907b3fad47798df05b8114c8197a6908
Manifestd14d5f7b5ede62d4ca089928fd91eb35889b82b07a6012a45c03c8d9ea2f2f20

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
SignatureZqc5fb80pI4dvrc7VW0cQeIPqhJZF4CJuVUtBEampYFGA9tkUXLVqkeFN3wn2pus4KqMmhNwsYlwVJeuraByBA==
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

2026-09-17T09:45:04.407032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089833
observed 10d9c7694c14997dafb7b20a0c52df2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:04.391398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089833/manifest.json
observed d14d5f7b5ede62d4ca089928fd91eb35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:04.373473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089833/publication.md
observed 9e5ca5c9ceda63a9cff081141cda64bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:04.356831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089833/publication.txt
observed dd2ae51f7758fd8c99dbcc9cc36f01f9...
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.