OpenTechnical

OT-2026-000089609

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000089609) never changes.

Identity and time

Publication numberOT-2026-000089609 · never reused
Internal UUID01a0ae9c-1a21-7ea7-9374-a22b14480735 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089609
StatusPUBLIC

Content hashes

Canonical text555fe9d05a2a654ca1e7b913e7ce97829f8fd708c5c075090c77747674d7e7c6
Markdown4ce8b90eb73927c5992cce9a226cb1649989fd2d09e1b9cd5859243bae94afbb
PDF
Publication page5b84f14719f0c4fd9ca1c740019aa279a8b81621b95d24b2aad583e81ee8bd5d
Manifest5f630226a60e78bd662038fe6e720e534e37deeb05a995c55f1070bb00d32638

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
SignatureC9gQ3wRKr4emLIfUj3rV19rFoioY8fZIy6BjiY2zS6Wzljb/qStSmr6v0iGGxIqhlfmkB7cUWeG0s98ts8qqCQ==
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

2026-09-17T09:46:35.386811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089609
observed 5b84f14719f0c4fd9ca1c740019aa279...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:35.369763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089609/manifest.json
observed 5f630226a60e78bd662038fe6e720e53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:35.353190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089609/publication.md
observed 4ce8b90eb73927c5992cce9a226cb164...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:35.335007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089609/publication.txt
observed 555fe9d05a2a654ca1e7b913e7ce9782...
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.