OpenTechnical

OT-2026-000042036

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, pulsed 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-2026-000042036) never changes.

Identity and time

Publication numberOT-2026-000042036 · never reused
Internal UUID01a0ae7a-5d70-7861-85df-25a91f2ffc7b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042036
StatusPUBLIC

Content hashes

Canonical texte5374e0b81f133fcd83e037a83794d2a17dc7664a72ca54ae39339432b8de194
Markdown3bc78236b1b07b2b5d1673323d131ca08028068590198cf3d49d1160d298ed11
PDF
Publication pagebf4f8dd016b6c09a654cf9bfb5fa1c87e54e46ccb71c9766baf0eaa5ea86204e
Manifest9c19b589a1cbc820bd58030103d245fd91f90955b4f2d3012d13569b1f524de2

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
Signature5trYGZEEtNqzLjjqn25QXhlRGJhZjfFRwqw5frxEhjQ5UVxoaFTjsbpofUys+N8BG5vGiNQhuMc/PunAntuqAQ==
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

2026-09-17T11:15:32.823338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042036
observed bf4f8dd016b6c09a654cf9bfb5fa1c87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:32.803530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042036/manifest.json
observed 9c19b589a1cbc820bd58030103d245fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:32.785807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042036/publication.md
observed 3bc78236b1b07b2b5d1673323d131ca0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:32.765301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042036/publication.txt
observed e5374e0b81f133fcd83e037a83794d2a...
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.