OpenTechnical

OT-2026-000040168

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000040168) never changes.

Identity and time

Publication numberOT-2026-000040168 · never reused
Internal UUID01a0ae79-26ff-7ddc-913b-ebab68bcf318 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040168
StatusPUBLIC

Content hashes

Canonical textc8f61ae15aa66c5269bf30d4bfa639946b2318eae1b05c6e84254fa1e40ee87e
Markdownc4c649394917d0b1933492aefabde8888043a51b3e05291609b5f2ba7d395615
PDF
Publication page0cf04ee9157fd96d7b536df198d2422a08570175ab7d31a9cebf34ea6bfa46fa
Manifest3b8b21f6a45219dcfc71eaba01ce8aa1a7ff7709d748dfa3ff328d9a923e614a

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
SignaturedNWRc5WlwncxMBU8/3g0Oalubdfuss+YIF+SDlWDELAQ2GMi8sFhSXoW2MmIed/u3cH4AbV+ZO1j+i0EpbGgBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:19:02.743148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040168
observed 0cf04ee9157fd96d7b536df198d2422a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:02.726220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040168/manifest.json
observed 3b8b21f6a45219dcfc71eaba01ce8aa1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:02.712146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040168/publication.md
observed c4c649394917d0b1933492aefabde888...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:02.696840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040168/publication.txt
observed c8f61ae15aa66c5269bf30d4bfa63994...
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.