OpenTechnical

OT-2026-000007536

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, 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-2026-000007536) never changes.

Identity and time

Publication numberOT-2026-000007536 · never reused
Internal UUID01a0ae62-4df6-799d-831a-d33df5b33bcd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:13.261569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007536
StatusPUBLIC

Content hashes

Canonical text596ca745b91b611adb82d65e35f34677d5b29948228df75eef9ce53734831b28
Markdown7ce328afdc5d1c2b36656a8fb6b46871e3b030b90fedd351600841647cda8684
PDF
Publication pageb39e1f5537270f3ec463a495e6d37def796a25a414ad504d3e229af3f3e3bd51
Manifest71694bb178990285ecaa29ab3bdd96a65e57677835364e06bc7b8c8b88c2a49c

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
SignatureKt7Pmcpk+DqjYW5BRbBSo16mP+8v9fr5wBThBwtQiqq+6HNl/BGkrdvMo7w3F7mvsIJqMcj+LC0l/Oh6GWStBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:22.710886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007536
observed b39e1f5537270f3ec463a495e6d37def...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:22.692877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007536/manifest.json
observed 71694bb178990285ecaa29ab3bdd96a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:22.675736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007536/publication.md
observed 7ce328afdc5d1c2b36656a8fb6b46871...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:22.659012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007536/publication.txt
observed 596ca745b91b611adb82d65e35f34677...
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.