OpenTechnical

OT-2026-000091957

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, three stage ejector, pressure sensor per zone, sustained 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-2026-000091957) never changes.

Identity and time

Publication numberOT-2026-000091957 · never reused
Internal UUID01a0ae9d-43bb-7a2a-b916-b295c0c704d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091957
StatusPUBLIC

Content hashes

Canonical textbafda2779d6fc0784804c76f803f4166af97b436e31b6dfee091e70e86dfb480
Markdown6793f93d885a589c80e06253526c85d7f4f26b3f6b17a9ff5dda0e8a28941d9f
PDF
Publication page1fe9ebeb57d5cbf492594247cfe3cde1f9b512f72c78e3f7e11b972ca553c472
Manifest2e2b5a9784a76e2186f53552ae7bb2f1f13ff2e5db6df7592e4b0a659a69fef7

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
SignatureIPFMfbr8Uxo6pEgJ51GCtREf2FGMqEkKWs9PfumZgY0riol3JiY2xGuLUxi1AYx8HfYGtIL1ox3ZIMDYBziyBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:42:54.503966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091957
observed 1fe9ebeb57d5cbf492594247cfe3cde1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:54.486815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091957/manifest.json
observed 2e2b5a9784a76e2186f53552ae7bb2f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:54.470789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091957/publication.md
observed 6793f93d885a589c80e06253526c85d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:54.452679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091957/publication.txt
observed bafda2779d6fc0784804c76f803f4166...
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.