OpenTechnical

OT-2026-000012408

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, pulsed 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-2026-000012408) never changes.

Identity and time

Publication numberOT-2026-000012408 · never reused
Internal UUID01a0ae6d-39f6-7918-9eca-229454eb9637 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012408
StatusPUBLIC

Content hashes

Canonical text118724290bd2df7f88107acc2603df343cd0e2c8bb667352ddf2a9e26a4f0462
Markdown09088efecf7557446b87c99c17603a49a7ab12bb9e8837ee42a0a70e6cccd0f9
PDF
Publication page867eef73b0acf2dbd0416e8988ac945c6342d06f3d1e199a92705ff419665c27
Manifest08ab10b320af25353d9d77f038505e03a0b62304ef311be5e6e34036d1e8352f

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
SignatureCYaIzxq/Fn/zEb6SEiCoeeIHfXSnvC2KzA/OnsKXkXIaoBEo1Cts0kb5R4bEuAMcFsb0sf9Xc9p33F3wvebVDg==
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

2026-09-17T12:11:54.100765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012408
observed 867eef73b0acf2dbd0416e8988ac945c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:54.082796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012408/manifest.json
observed 08ab10b320af25353d9d77f038505e03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:54.063556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012408/publication.md
observed 09088efecf7557446b87c99c17603a49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:54.046006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012408/publication.txt
observed 118724290bd2df7f88107acc2603df34...
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.