OpenTechnical

OT-2026-000061851

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000061851) never changes.

Identity and time

Publication numberOT-2026-000061851 · never reused
Internal UUID01a0ae8b-b8ac-7e37-abc2-b14d9bfb0ea8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061851
StatusPUBLIC

Content hashes

Canonical text7a6f6ee6221aed4da98575360b1e6c2a6bac411f4489db56623c2d5fefd7c360
Markdown0c2942e91d11eb5882e8b97bd4ad5137f1cb45b3c5fa1bfa4847dfbde7d74db1
PDF
Publication page625b7438c398a6ad366b0242ff6c6e64655490e2655ea562abc4ad9701c75dae
Manifest4038b67373e5932440429dc068f6c3161b7299d61477079ae9cb348124a6ad62

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
SignaturekIb1IL3M9XRyeM6M6iH0lcb+IPY7A/XgZUtaCfuOe0cDrcO3ppmO2GWZg7hN6yhoYOfkjVC92G4QvKyOismMBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:42.221415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061851
observed 625b7438c398a6ad366b0242ff6c6e64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:42.201768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061851/manifest.json
observed 4038b67373e5932440429dc068f6c316...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:42.182918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061851/publication.md
observed 0c2942e91d11eb5882e8b97bd4ad5137...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:42.161704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061851/publication.txt
observed 7a6f6ee6221aed4da98575360b1e6c2a...
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.