OpenTechnical

OT-2026-000061296

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, supply line pressure sensor, 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-2026-000061296) never changes.

Identity and time

Publication numberOT-2026-000061296 · never reused
Internal UUID01a0ae8b-1384-736a-a1b3-310522168e89 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061296
StatusPUBLIC

Content hashes

Canonical textcb5ad8f23651a64f5c12f8ca2adf3dacc56d61b5af7ee98a6afee69e6383315e
Markdown10822a07a6c8fd997d5611b281cf92136b8fea78ece86fc5f532a24304107c1f
PDF
Publication page149a9f435fbb55f16727aaf4abaf8f86928dfabd6a23c05b8f5e8177f9560f32
Manifest30674c98907183806a77891331f0d7a2cb665b8f1f1e1648994a3dd612de74a3

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
SignaturegEWS2KgzhM3RQZSmjuOWvYM9GBit0bWAanFpp+MdRB4TzWKURM9Cfxvc4yvUWO4L2de89UGV+vJclHjkznbKDA==
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

2026-09-17T10:42:43.389387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061296
observed 149a9f435fbb55f16727aaf4abaf8f86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:43.370043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061296/manifest.json
observed 30674c98907183806a77891331f0d7a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:43.351531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061296/publication.md
observed 10822a07a6c8fd997d5611b281cf9213...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:43.331591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061296/publication.txt
observed cb5ad8f23651a64f5c12f8ca2adf3dac...
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.