OpenTechnical

OT-2026-000087072

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum 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-2026-000087072) never changes.

Identity and time

Publication numberOT-2026-000087072 · never reused
Internal UUID01a0ae9a-9f2d-764b-8702-e87bf23f51e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087072
StatusPUBLIC

Content hashes

Canonical textac970c4e1a4686b3dd83f5e373ddde86ff5de884d14a63dfe34df50f3e638a18
Markdown0feed526a5adfae812763dac37648bcd760e3809516fad8e7c9cb22370300a20
PDF
Publication page2d53f3a9eab840f6ca7dae9a0c36d91b96c79b3a17cacadee15351f106fe8fed
Manifest1c7d6994c00675f99beee7ae6f39527e98fa8993c9f2f02b44f84aa369a7b82c

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
SignatureeNXiwDy7P4egFJN2mVd0ebZgts04iFwujds4tREb5UssZI6Z5PUUjCYhn5gCTPkUyL7EXrIsMDlr+NdnFc5qDw==
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

2026-09-17T09:51:19.663721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087072
observed 2d53f3a9eab840f6ca7dae9a0c36d91b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:19.648198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087072/manifest.json
observed 1c7d6994c00675f99beee7ae6f39527e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:19.631826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087072/publication.md
observed 0feed526a5adfae812763dac37648bcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:19.615875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087072/publication.txt
observed ac970c4e1a4686b3dd83f5e373ddde86...
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.