OpenTechnical

OT-2026-000030723

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, 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-2026-000030723) never changes.

Identity and time

Publication numberOT-2026-000030723 · never reused
Internal UUID01a0ae74-3fb4-75ef-b7c8-7b8b232cbf46 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030723
StatusPUBLIC

Content hashes

Canonical textb2f2228600d7dff409563a4c648f916c34e25bc930ae526a57139a14c1e8a483
Markdown2536455f8d7223acb0ac7b8c6db40266967b15e1a6579270c7194d061ada6cd5
PDF
Publication page32222e5d096737e14b1860b36977064f5afafc20cf6f9832be4a1944e18228d7
Manifest4f9a38579fbb4f15f97e97609a5f98b74daac00a03821aaa48c27820c54831d2

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
SignatureUhDzEi+plzrTYKf6hcDVf5+h7JMlkPN6o+Vq9A+xO+G1lpvmqubJ0uvf1E8pHy181rCLEhz9dciVj+ojd38YCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:36:39.141419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030723
observed 32222e5d096737e14b1860b36977064f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:39.124980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030723/manifest.json
observed 4f9a38579fbb4f15f97e97609a5f98b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:39.107554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030723/publication.md
observed 2536455f8d7223acb0ac7b8c6db40266...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:39.089941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030723/publication.txt
observed b2f2228600d7dff409563a4c648f916c...
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.