OpenTechnical

OT-2026-000039431

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000039431) never changes.

Identity and time

Publication numberOT-2026-000039431 · never reused
Internal UUID01a0ae78-9675-75a6-921c-ebbe2bb0c60c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039431
StatusPUBLIC

Content hashes

Canonical text394dbd4f8fa362da868a1773e045d690e5a2a949dab423be881b042c676d551b
Markdown735f170110b891fecf8e992467d94f28f7a00a683919382f90e30d7889548193
PDF
Publication pagebf342bf73f1739b44916d6b145841b6f4b9ccad6894fa17786fe4af935115888
Manifest85d76d30cd51cff926bfda9a220410c0ae51c55e3dff099517a3d53bc01959f7

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
SignaturekPNox3WB4HuFNa4W+oHxp0zGkjF8CfH//VJXE/sNAIQCGOzenCrSnV2rQUl6c0f8Y1QRCZF7VYLcD25zucJZAA==
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

2026-09-17T11:21:02.801315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039431
observed bf342bf73f1739b44916d6b145841b6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:02.784913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039431/manifest.json
observed 85d76d30cd51cff926bfda9a220410c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:02.766962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039431/publication.md
observed 735f170110b891fecf8e992467d94f28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:02.748751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039431/publication.txt
observed 394dbd4f8fa362da868a1773e045d690...
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.