OpenTechnical

OT-2026-000081785

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, pump fed, sustained blow-off before set-down, on a tool changer

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-2026-000081785) never changes.

Identity and time

Publication numberOT-2026-000081785 · never reused
Internal UUID01a0ae97-0f74-7754-bbfd-3464c07206bd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081785
StatusPUBLIC

Content hashes

Canonical textc6a94e2734d8ba692bf69ad1475c1adeb2e67050d4493a3d2d7ee16d172f03b1
Markdown5982c4411da9a9b3be121877f334946cbae54484cb3098a78bdefb65a3bda3f4
PDF
Publication pagec6f48fccb7c46e324a45ae5339c4ee42f585b5b567c4e3619c550bfab0da4b7c
Manifest8ce62f033eaf8219969abce93d1450699b46a3a40c94a59f070378069035342b

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
SignatureBtqut4fIyaozIW0YhqRzoeufOr1CrUYUV5YAQTnO361rvaY94//h9FddThOt6n6FlWugW/KqqqbP68AhIMtjAQ==
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

2026-09-17T09:59:52.886343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081785
observed c6f48fccb7c46e324a45ae5339c4ee42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:52.868899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081785/manifest.json
observed 8ce62f033eaf8219969abce93d145069...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:52.849947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081785/publication.md
observed 5982c4411da9a9b3be121877f334946c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:52.831776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081785/publication.txt
observed c6a94e2734d8ba692bf69ad1475c1ade...
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.