OpenTechnical

OT-2026-000088541

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000088541) never changes.

Identity and time

Publication numberOT-2026-000088541 · never reused
Internal UUID01a0ae9b-8f0e-79c0-b26f-0458c7f6efde · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088541
StatusPUBLIC

Content hashes

Canonical text593d5e2f4a2f590a44d27dcf219592e05dfe4205f25eee3e27a1dae400fb624a
Markdownce4b690a404c525353a2b85427f9c943b7c4b8b005f1fdd5398cd0da11cc19a1
PDF
Publication page1b0e1471de06341b178e744398e7b0cc15d76bfdf1c87d66d2acf711d15a1f4c
Manifest7638684d8a9c1fdbfa272dfef87bed98354eb17a92ebe46a472c4fe3981082eb

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
SignatureeqWkMp+zQaDD/XczZUPsQ/gN7Xbw64WNx/q9nMvoJ6TY2qY9vEIgQzLLvlOg111QP0cOm6NnzeFPva9eEMr9CA==
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

2026-09-17T09:47:42.569585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088541
observed 1b0e1471de06341b178e744398e7b0cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:42.553677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088541/manifest.json
observed 7638684d8a9c1fdbfa272dfef87bed98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:42.535583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088541/publication.md
observed ce4b690a404c525353a2b85427f9c943...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:42.519402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088541/publication.txt
observed 593d5e2f4a2f590a44d27dcf219592e0...
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.