OpenTechnical

OT-2026-000025308

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two 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-2026-000025308) never changes.

Identity and time

Publication numberOT-2026-000025308 · never reused
Internal UUID01a0ae71-5fa6-7a64-9e3e-e3766b624933 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025308
StatusPUBLIC

Content hashes

Canonical textbc5971dd139ee14a3ac9b902e77cd582ab01b18ce09c23b73dae9851d68e614a
Markdown6db09e3bc85721da5329239c8dff9c820fa2e8ab7a494615273b7dcdd7c62301
PDF
Publication pageaa56907a7a485fd511c4292bda25672b8aee97457ae38aa16e12248b9e1ae96a
Manifest6ddd343f89771f95c299314f8a3073aa0cb89d3c1e32b525b0bfcd5dbdb541c2

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
Signaturew+f9DBJ+zq5Ps3MsW6+7PIv5ONQEc7fl0OiYmwfb2FZmVaMPXrp0mXefugzHh7H2xO/XwdJQrV5oz8XLJ/xiBw==
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

2026-09-17T11:47:19.707552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025308
observed aa56907a7a485fd511c4292bda25672b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:19.691644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025308/manifest.json
observed 6ddd343f89771f95c299314f8a3073aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:19.672362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025308/publication.md
observed 6db09e3bc85721da5329239c8dff9c82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:19.655513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025308/publication.txt
observed bc5971dd139ee14a3ac9b902e77cd582...
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.