OpenTechnical

OT-2026-000012122

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000012122) never changes.

Identity and time

Publication numberOT-2026-000012122 · never reused
Internal UUID01a0ae6d-39f4-7251-b0ab-a1c02c80cb6b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012122
StatusPUBLIC

Content hashes

Canonical text84e39eecd4458a7f6498f89a144c5a78b96e9510518bca58553380913e61e62a
Markdowne7be7f8bf6fd551f38152bf8aafd9398f4dcbfb731ab3e790092f97c05ea560d
PDF
Publication page6a98537a5c86781c9d3f6299af5a951477925cdf1b3adf993d60e76f5e38ddef
Manifest4b508193bd5573173941dd2cae1b2c94609055b534f91630179335b4668af305

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
SignatureZW4nax1quUkvPUnahs2tDT2jgV1ni9uLORVcL4Y0I9OD9hG/ZFtl8rVUfL3zJQb6Ffk1hUtj4L4PRaa8LHsFDA==
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

2026-09-17T12:11:00.316231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012122
observed 6a98537a5c86781c9d3f6299af5a9514...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:00.297428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012122/manifest.json
observed 4b508193bd5573173941dd2cae1b2c94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:00.277794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012122/publication.md
observed e7be7f8bf6fd551f38152bf8aafd9398...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:00.258202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012122/publication.txt
observed 84e39eecd4458a7f6498f89a144c5a78...
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.