OpenTechnical

OT-2026-000041857

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, sustained blow-off after set-down

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-2026-000041857) never changes.

Identity and time

Publication numberOT-2026-000041857 · never reused
Internal UUID01a0ae79-e8a5-7738-bd65-dc9b43e8b6d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041857
StatusPUBLIC

Content hashes

Canonical text93e1190a47c273b381199d03045d7c28fa1118c2aa9a23116abd74e8bb9c92fd
Markdownc265a972b5ce41b4e88dfc6a53a1d9b819cedebadceb2ae42991c9fbd1fae1ee
PDF
Publication page09299b7ee9d4118e548162f35db48adbabf3710484ff3f1fe867eaa7beeac84c
Manifestf431879a6f99029ba098c8687802bf5146ddb76f1edfe693b4fc3eeb50be3dbf

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
SignatureXXzloIvqsX0+RZEjp65cQJbLsLFP4NI0tlU+D3lAK7VLs9b/HFLKUrQEqY6gbut/AVhj62SvZPjCkFzxphcXBg==
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

2026-09-17T11:16:43.655274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041857
observed 09299b7ee9d4118e548162f35db48adb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:43.640003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041857/manifest.json
observed f431879a6f99029ba098c8687802bf51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:43.622254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041857/publication.md
observed c265a972b5ce41b4e88dfc6a53a1d9b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:43.604690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041857/publication.txt
observed 93e1190a47c273b381199d03045d7c28...
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.