OpenTechnical

OT-2026-000035421

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, 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-2026-000035421) never changes.

Identity and time

Publication numberOT-2026-000035421 · never reused
Internal UUID01a0ae76-6a20-7c36-b7b2-e8ceac7992eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:11.150702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035421
StatusPUBLIC

Content hashes

Canonical text26d3bb74191dc6407eb34e28f4c7455a974415d28ca29f812bd33912e5d4c897
Markdownecf8340a009240a6d29405e3c19daaa1b90cc829a7b1391bf64fc6bb1590acff
PDF
Publication pagebec89a4862ef6cdec99d9bc32e3b022ca8c171184f603e6ef0f6a30976191e7b
Manifest816ac4c45c0f119cef166ce38ed2f545d293e7bb5654aaec051f96e2798e9ce2

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
SignaturecR3Ux00uX8c8ZqZbcHEtGuTnoVjOe0E4pzVL94/TaeKPKDQEZp3z5DzM+iHQSyR6chV6hE0MnTF7/uV5gIcWDA==
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

2026-09-17T11:28:43.803786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035421
observed bec89a4862ef6cdec99d9bc32e3b022c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:43.786787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035421/manifest.json
observed 816ac4c45c0f119cef166ce38ed2f545...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:43.769420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035421/publication.md
observed ecf8340a009240a6d29405e3c19daaa1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:43.752167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035421/publication.txt
observed 26d3bb74191dc6407eb34e28f4c7455a...
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.