OpenTechnical

OT-2026-000073482

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, vented before set-down, on a tool changer

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-2026-000073482) never changes.

Identity and time

Publication numberOT-2026-000073482 · never reused
Internal UUID01a0ae92-efb9-7755-9d5a-f5a856e51e4c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073482
StatusPUBLIC

Content hashes

Canonical texte5123264943dfa4fd99cfc421403b1bc853cb1fa13424c734beb9595eda0a3ac
Markdown1d740a1e31468d5e7bc8623e0a276e266527952d35dba1ed16c2c64b73b8b5e0
PDF
Publication pagecc5c6664c7d8acec3bb07ccfc5a993d59fe7ffb5320964286076f1f2665e7b03
Manifest5e37cfb59ec45ab1701b0c7fc33b5454ca9d9ccffbdd451522f94ba87682fcd5

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
SignatureV0sOUxG12pBpi31gCkzBduLZfoGiV72RNIQrVil+2b5nY9cuYunOJOQK4lUWowaPee4hQnFhbTtg7v0XtQrQAw==
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

2026-09-17T10:21:38.968759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073482
observed cc5c6664c7d8acec3bb07ccfc5a993d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:38.949866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073482/manifest.json
observed 5e37cfb59ec45ab1701b0c7fc33b5454...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:38.932849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073482/publication.md
observed 1d740a1e31468d5e7bc8623e0a276e26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:38.915755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073482/publication.txt
observed e5123264943dfa4fd99cfc421403b1bc...
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.