OpenTechnical

OT-2026-000069505

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump fed, pressure sensor per zone, 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-2026-000069505) never changes.

Identity and time

Publication numberOT-2026-000069505 · never reused
Internal UUID01a0ae90-b52b-71fa-b4e6-30e8f9e37a39 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069505
StatusPUBLIC

Content hashes

Canonical textd6d5e6baf812c8e5fba0979a282ae2d6cbb95565cf0edff57cc4c8104de51038
Markdowndc48f9b6ecdc89085913ebe18faf63928dc943f6e2a9d7caa368e822eb37b9a9
PDF
Publication page42f26b0efe4d2495ab2cb05ac535c5c4be6ff9cbaf0f1922ec88f94e890b8e90
Manifestae6a836e64a3832799e082d03544e237fb1d01cb7e56e4a7a582774b0d992df9

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
Signature/9yVrS7OXsrmkMNkpfRTyWkxd75hsWtAdEu4g451bDynpENpjaRxG6LHdlKGD9Kggf++hUTNiFotUWqxzAnFBA==
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

2026-09-17T10:30:35.396622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069505
observed 42f26b0efe4d2495ab2cb05ac535c5c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:35.376444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069505/manifest.json
observed ae6a836e64a3832799e082d03544e237...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:35.356457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069505/publication.md
observed dc48f9b6ecdc89085913ebe18faf6392...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:35.338716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069505/publication.txt
observed d6d5e6baf812c8e5fba0979a282ae2d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:08.296653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069505
observed 42f26b0efe4d2495ab2cb05ac535c5c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:08.279979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069505/manifest.json
observed ae6a836e64a3832799e082d03544e237...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:08.261554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069505/publication.md
observed dc48f9b6ecdc89085913ebe18faf6392...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:08.245129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069505/publication.txt
observed d6d5e6baf812c8e5fba0979a282ae2d6...
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.