OpenTechnical

OT-2026-000061983

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, 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-2026-000061983) never changes.

Identity and time

Publication numberOT-2026-000061983 · never reused
Internal UUID01a0ae8b-b8ae-749e-889c-135f66aea515 · 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-2026-000061983
StatusPUBLIC

Content hashes

Canonical text4b944f13d77b9a1d256b0e885ed42b96f36de5f784145c1024cde0ea8133f889
Markdowned0d3fef66fb23991a2537616f7ac9f2ddd6bac7ca4819ad61becd3f4e247e10
PDF
Publication page216cadb602ccf37ff70c6cb8e7d61ccd1de7717ea3c707b2c774151bef2a9bbe
Manifestbe584ee4754c25d716778db8cdd3b93ee451a72ef7ceea35cc8e09cd612fd819

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
SignatureK+sZzK6yMkoAbnrNqznYuVOJDAkVMyXzuIuB/CdI+FzNzNKv65BPhmYmC7HzU2x99t2teVelUcbVlA1wTe2vCw==
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

2026-09-17T10:40:54.571125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061983
observed 216cadb602ccf37ff70c6cb8e7d61ccd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:54.549956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061983/manifest.json
observed be584ee4754c25d716778db8cdd3b93e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:54.529630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061983/publication.md
observed ed0d3fef66fb23991a2537616f7ac9f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:54.510637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061983/publication.txt
observed 4b944f13d77b9a1d256b0e885ed42b96...
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.