OpenTechnical

OT-2026-000018968

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, pulsed 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-2026-000018968) never changes.

Identity and time

Publication numberOT-2026-000018968 · never reused
Internal UUID01a0ae6e-d522-73f1-893a-eb51a6a1abfd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018968
StatusPUBLIC

Content hashes

Canonical texta346ab71dc4bda68c88b8cfebb3e53089a457e07f921cd0843f8e43f9ac92c59
Markdown19de5dded68050614c63f53a92560c238c82a3d9ebb6e929a07a7e5bddabec1f
PDF
Publication page13202a22778ab0dc3e431d50a8c3ce152a2474a6d79dab8af0c4af4c4f5b0796
Manifest657f1e6f2257466297001cedc845761633678d4632db88e813592d7da6856db5

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
SignaturewtwuJWGGNAtJPwX6/OUtf4P/hbzl2vbGstFmF2bvmDkF0xKZojkWxnNfjzowHnceW0mMeRxpxnTRfHgdyiNxBA==
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

2026-09-17T11:59:38.640910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018968
observed 13202a22778ab0dc3e431d50a8c3ce15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:38.623181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018968/manifest.json
observed 657f1e6f2257466297001cedc8457616...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:38.605413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018968/publication.md
observed 19de5dded68050614c63f53a92560c23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:38.584813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018968/publication.txt
observed a346ab71dc4bda68c88b8cfebb3e5308...
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.