OpenTechnical

OT-2026-000031426

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000031426) never changes.

Identity and time

Publication numberOT-2026-000031426 · never reused
Internal UUID01a0ae74-87ad-78a3-ba7c-2bbd8ebb254c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031426
StatusPUBLIC

Content hashes

Canonical text7ec73c9e32ae06793dbfd071bc69420e64de6155dee6681c68725cf731a2dc09
Markdownef7210f5a528b84f0a0c3e5ed69f3c97a2630c864d8f89d62e5ce39a6107a1f3
PDF
Publication page89d71f3c572cf970e744997b45d2370ae8e240bc9bcfa5e904daa7f85c6722a4
Manifestb28e52e269423524d4ee0a18b2d1081d20b4a89aa9e093e922b63cea929afa1b

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
SignaturefItvCKVc8t740j5eD8fQjedm1U4HoOagrT9r8HZ7lylghUyAO3W21rE1kRMJF36e/4D1gf95s4pAnJl9tiXCAQ==
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

2026-09-17T11:36:08.715501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031426
observed 89d71f3c572cf970e744997b45d2370a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:08.695973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031426/manifest.json
observed b28e52e269423524d4ee0a18b2d1081d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:08.678254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031426/publication.md
observed ef7210f5a528b84f0a0c3e5ed69f3c97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:08.660680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031426/publication.txt
observed 7ec73c9e32ae06793dbfd071bc69420e...
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.