OpenTechnical

OT-2026-000044820

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, pulsed blow-off after 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-2026-000044820) never changes.

Identity and time

Publication numberOT-2026-000044820 · never reused
Internal UUID01a0ae7c-911b-77ed-9196-54be6f4a78e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044820
StatusPUBLIC

Content hashes

Canonical text786a1a809ca3a590f4253c37d6e09451678f4bdd4f4b1730b5f7e01a0c449200
Markdown9c254499f66e7a34b531c3ad53a4282f61054d5006e8e46d3dc80d0a4660666b
PDF
Publication page571017d7ebb394cfab1b901614ae8ac617b2b2787e9c214d3f30b9e6017de0aa
Manifestff42a52688c9017c5416a7f62121ef7addceb2009b4a8c26516b6033b0c41338

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
Signature6aThlzQmLLllRuFm/MDVhTzLK+x1S0fk2wOG8akd6MyT1bLn1ud3/UNG2mtuJrNZwBUpCY/axUzIJKxC8f05Dg==
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

2026-09-17T11:11:27.370342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044820
observed 571017d7ebb394cfab1b901614ae8ac6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:27.352101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044820/manifest.json
observed ff42a52688c9017c5416a7f62121ef7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:27.334178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044820/publication.md
observed 9c254499f66e7a34b531c3ad53a4282f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:27.317172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044820/publication.txt
observed 786a1a809ca3a590f4253c37d6e09451...
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.