OpenTechnical

OT-2026-000043317

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, 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-2026-000043317) never changes.

Identity and time

Publication numberOT-2026-000043317 · never reused
Internal UUID01a0ae7b-327d-740e-a99b-c3301f435f87 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043317
StatusPUBLIC

Content hashes

Canonical text846f6479b454ef3dd21b9fc2f711b80962078e601f00da58683fcd2e83d45216
Markdown9e7a19118162bf9b1c9303e70f6bf2bd684b46a8fdbbabc8299d91288d8d1b74
PDF
Publication page10b7a84bcb2528b8148de70fdecd4fb775e06ec1b98e5f5717c57976c01b5893
Manifest05c3e1cd4b0db15ba336511cdf4d9ccefe4229689983039f099c2a235f127d9a

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
Signatures+20qTy9kSY6GQVCY35sTIQ3Y53Rw98Kj4ixAdYLdVXRCKXMqeyCb6vRSLfHoV1lu1s/L3FSom6sif41quHOBQ==
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

2026-09-17T11:13:49.243046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043317
observed 10b7a84bcb2528b8148de70fdecd4fb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:49.223014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043317/manifest.json
observed 05c3e1cd4b0db15ba336511cdf4d9cce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:49.201937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043317/publication.md
observed 9e7a19118162bf9b1c9303e70f6bf2bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:49.177312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043317/publication.txt
observed 846f6479b454ef3dd21b9fc2f711b809...
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.