OpenTechnical

OT-2026-000036195

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, supply line 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-2026-000036195) never changes.

Identity and time

Publication numberOT-2026-000036195 · never reused
Internal UUID01a0ae77-01cf-7e4c-8661-36185275c429 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036195
StatusPUBLIC

Content hashes

Canonical text538ae1c512864d038a69b2f4f1c6898300d8938a08d1d8ac6eabbb21d7f2cd51
Markdownea74296007fc050b78804b604426c065eb5485a497c613024f8c78293e6728e6
PDF
Publication page008685a7d8844a35c7e2f900188414a9c6ea3dc8037ba69109bf9111a272b5fe
Manifest30ab5cf1f3b927372f8f75a27d2d428c6eae3b253ec3542f8ab5fd12ca6bf456

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
SignatureXGb+72rtaHFp7aKzvt468Qv+OHABG9Zzrn8o0V1wrv6rQyRtHQWd571/v56mmpjgT/olR3g4fHew0ObiUw9zBQ==
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

2026-09-17T11:26:25.878884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036195
observed 008685a7d8844a35c7e2f900188414a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:25.861802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036195/manifest.json
observed 30ab5cf1f3b927372f8f75a27d2d428c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:25.843510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036195/publication.md
observed ea74296007fc050b78804b604426c065...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:25.825814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036195/publication.txt
observed 538ae1c512864d038a69b2f4f1c68983...
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.