OpenTechnical

OT-2026-000078156

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, vented 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-2026-000078156) never changes.

Identity and time

Publication numberOT-2026-000078156 · never reused
Internal UUID01a0ae95-6e8c-71ba-9863-a04e084dac10 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:03.897850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078156
StatusPUBLIC

Content hashes

Canonical text108ba58c3f51c21e3d461794c03fb446d8ea1278efc1706d26ac758c1c9e704e
Markdown586237bc64ab1cecdebdba98750b9f02917835b63535bdfc854475d8ff4cd093
PDF
Publication page0dac26b5aba3e95be24b1c2e9f6ad99596324142845a4fda6bc3cfcad03c290a
Manifest118c975016f6cab1e0eacc4a661821bf07ae6e5d01f98c509cb2c0fcf891753d

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
SignatureA86AxcxWjr5mZ0ipRSBiAfBi0tKMJcbc3/hzN2Tk6pD+Ea69yTnDqlbY9XS/YA0mX93b3xAReGwwA0HdOu7+Bg==
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

2026-09-17T10:06:44.271318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078156
observed 0dac26b5aba3e95be24b1c2e9f6ad995...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:44.251439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078156/manifest.json
observed 118c975016f6cab1e0eacc4a661821bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:44.231488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078156/publication.md
observed 586237bc64ab1cecdebdba98750b9f02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:44.209563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078156/publication.txt
observed 108ba58c3f51c21e3d461794c03fb446...
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.