OpenTechnical

OT-2026-000048397

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000048397) never changes.

Identity and time

Publication numberOT-2026-000048397 · never reused
Internal UUID01a0ae80-4de4-7eab-8261-6f19f18dcfa4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048397
StatusPUBLIC

Content hashes

Canonical text9984f5821b64cc71469cff96249955bad493203d2ca9f0587e4d945e886851d2
Markdown5b660bc3dd5038067c2ca76c13e3733442ec8a10087d5870d4b3bdeb8edd5442
PDF
Publication page42617558a7d91c84ebbd34e37831e51987a101021d9a0f128c9e1102c156d269
Manifest9c093b344fbadf039c488f4ab9ea412aa7dc2397fa52ddeada009dab890378dd

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
SignaturetwWf04DWWWNAQMfFjr8tpPzCtPLp4WedlFrumyf6Z7aSNlHJyhEhnxgnEAHOXGFbT+cbMBCNT1tRpo4VtOUcCg==
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

2026-09-17T11:05:02.004454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048397
observed 42617558a7d91c84ebbd34e37831e519...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:01.986078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048397/manifest.json
observed 9c093b344fbadf039c488f4ab9ea412a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:01.966149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048397/publication.md
observed 5b660bc3dd5038067c2ca76c13e37334...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:01.946443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048397/publication.txt
observed 9984f5821b64cc71469cff96249955ba...
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.