OpenTechnical

OT-2026-000075906

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, supply line 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-2026-000075906) never changes.

Identity and time

Publication numberOT-2026-000075906 · never reused
Internal UUID01a0ae94-29ff-7e0e-beb8-c47537ea496a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075906
StatusPUBLIC

Content hashes

Canonical text3eca2b9a585b251aa61dfede455bb827954ba039519190c412ead1f61d8bdcb1
Markdown2d5ebd20230d0048af4d8bc61cb0298f4009bd5b789175343a1e0d62c2c224ef
PDF
Publication pagebb8751cdfdc0e5663b1045aa66bbc1bdc70246ec7c9f40a3eb202274ca020f2c
Manifesta6acc15f19189c2ae260172f35b7e2be649f826a6d79f9746e79760066798090

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
SignaturecJ1+TxHYcFmln0akE/NLN+9+GJsUW03dNtylS3RIwlDtDgjgwK0U2hDospiQd62pva1wXTFW4DPiJBLnGN/PAA==
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

2026-09-17T10:14:43.721134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075906
observed bb8751cdfdc0e5663b1045aa66bbc1bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:43.550597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075906/manifest.json
observed a6acc15f19189c2ae260172f35b7e2be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:43.532845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075906/publication.md
observed 2d5ebd20230d0048af4d8bc61cb0298f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:43.514229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075906/publication.txt
observed 3eca2b9a585b251aa61dfede455bb827...
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.