OpenTechnical

OT-2026-000016562

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single 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-2026-000016562) never changes.

Identity and time

Publication numberOT-2026-000016562 · never reused
Internal UUID01a0ae6e-2d14-7a09-8949-53d17183e803 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016562
StatusPUBLIC

Content hashes

Canonical text2fba1fb0ce6cc2543bab52af787ee180f41cc69ad6e8ca0698ad037257fb8499
Markdown89bf5ece4b1f9c67476b84600fde9bb4f25017520c52cf5cd554e7990eb1c193
PDF
Publication page5d7a74caa3dde20fd5c18324d91445cd4c1916698c56bc4230baffb36e8e0b2f
Manifest82d4b783d5e6a9a895652f6becccdaf78d9b27f5087b9ab41ea10a0c94a824df

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
SignatureIKKcM43KnSDXHQu+970CnzQd1EyOXZtBNHDucLN+KSUXQVkhaR8Igl5nBqTRZi6rReHaOrDRI9KNusldT6l5Cw==
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

2026-09-17T12:04:47.467148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016562
observed 5d7a74caa3dde20fd5c18324d91445cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:47.448998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016562/manifest.json
observed 82d4b783d5e6a9a895652f6becccdaf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:47.431383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016562/publication.md
observed 89bf5ece4b1f9c67476b84600fde9bb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:47.413340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016562/publication.txt
observed 2fba1fb0ce6cc2543bab52af787ee180...
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.