OpenTechnical

OT-2026-000009144

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, supply line pressure sensor, vented 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-2026-000009144) never changes.

Identity and time

Publication numberOT-2026-000009144 · never reused
Internal UUID01a0ae6b-31b9-709c-8444-e01cd75f5b27 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009144
StatusPUBLIC

Content hashes

Canonical text76f0c7c2586b454b91a5ce232bdd4f91356d84a72a1318292e857a2db619e8cc
Markdown1fbef2143f38a4f7487662f8a42332d09390236ba0bce44a6b1bef7db7ff08c4
PDF
Publication page2b491fc4f1b502a27aaf9e81b18b4a6b96040a451d64d5f451410bb2f31d4ba0
Manifestb8ff37e829f85ec768ea74e62b68203823e2874579b1e550986ef4f699006f87

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
SignaturexsQmrlNfzMvOU2SrU8RVOhm0+dGDK5WyDEwMyrYKlKHf7D6sf4n8GPjZ3yb9FKG2uZKoW7jP/oNJYh4LkCERBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:20.642032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009144
observed 2b491fc4f1b502a27aaf9e81b18b4a6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:20.621917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009144/manifest.json
observed b8ff37e829f85ec768ea74e62b682038...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:20.587233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009144/publication.md
observed 1fbef2143f38a4f7487662f8a42332d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:20.550853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009144/publication.txt
observed 76f0c7c2586b454b91a5ce232bdd4f91...
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.