OpenTechnical

OT-2026-000045305

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000045305) never changes.

Identity and time

Publication numberOT-2026-000045305 · never reused
Internal UUID01a0ae7c-f76b-7e94-ba02-066732827ace · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045305
StatusPUBLIC

Content hashes

Canonical text5db3675281566779928e9ca402ea20040ec548f7f8a136466c01d9cada8a31de
Markdown7d47ea70e25e033a627e7be90143e13986533cf30c70bc394589519fbab81def
PDF
Publication paged3b85eca8296aab71896a180ccff9c2601a43fb5b574444e1aaeb763272588ee
Manifest8012a45f40efebdba2c8d98a035257233f86bbe8c22a8c08710279d6f98a2d14

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
SignatureeDCjE3XVONdbRproxb9kNTqPx3iTOKLbvu7rkA4TVi/Nqro3Sd11TJ/Xk/l45lZT74e5GQBnDUzGo7pznldpDw==
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

2026-09-17T11:10:33.078826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045305
observed d3b85eca8296aab71896a180ccff9c26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:33.053777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045305/manifest.json
observed 8012a45f40efebdba2c8d98a03525723...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:33.034291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045305/publication.md
observed 7d47ea70e25e033a627e7be90143e139...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:33.014705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045305/publication.txt
observed 5db3675281566779928e9ca402ea2004...
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.