OpenTechnical

OT-2026-000087249

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump fed, 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-2026-000087249) never changes.

Identity and time

Publication numberOT-2026-000087249 · never reused
Internal UUID01a0ae9a-9f2e-7057-9916-f4aa880d47fb · 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-2026-000087249
StatusPUBLIC

Content hashes

Canonical texta868ed936febe873cc6d6c3f2999d16910a577639d4b347a791500663d5d10aa
Markdown15e58e30842f5d77f811dc4de99f9795500af7e49dc56cf22efa9a4dc240a98e
PDF
Publication paged09a31ab0bc7270a5913b44d5382555f471622b76857b25a03131ca0c143a40a
Manifestafb19710e67fa574ea3b35cb4d12c9754ff78e2c2a0f585b10fc41bdff0f46c5

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
Signaturetg+VKVmmkvIfgWHnhnwGo0upYFv183LXdNQmutMhfZtZieDxfSad37gWMgggrfl4dZxh1IH2xUW3VnxmF9k+BA==
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

2026-09-17T09:51:33.120479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087249
observed d09a31ab0bc7270a5913b44d5382555f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:33.101925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087249/manifest.json
observed afb19710e67fa574ea3b35cb4d12c975...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:33.084293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087249/publication.md
observed 15e58e30842f5d77f811dc4de99f9795...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:33.065473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087249/publication.txt
observed a868ed936febe873cc6d6c3f2999d169...
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.