OpenTechnical

OT-2026-000033738

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, pulsed 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-2026-000033738) never changes.

Identity and time

Publication numberOT-2026-000033738 · never reused
Internal UUID01a0ae75-a390-7102-9ff4-e94f58caf9fc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033738
StatusPUBLIC

Content hashes

Canonical text4eb5fa3448a9ef653133bcae16168ab679800bf8f2c507312bb66ff967480644
Markdownd78da7344a53d6583053d8ad69d8eb1532d8402cc10b0be19b53c6ac5ef476e5
PDF
Publication page75ba13e892d71692755900de1d3445b2dd1ea73ba7acaebd7dceeb2b5fb1fe39
Manifest62b1b9d3302d38f9ce99fcaa0f861aa3adaa295fd33c76dde6c2db2adb99ceea

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
SignaturekOaijFUfz8w7+O0zqegxoWxFsj9fsRlB5KN2CYEblL+ETb7WUTq0ELWBPvykj4KS9zDnUHtoiF4oZtTyAwfzCA==
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

2026-09-17T11:31:44.725751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033738
observed 75ba13e892d71692755900de1d3445b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:44.707306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033738/manifest.json
observed 62b1b9d3302d38f9ce99fcaa0f861aa3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:44.687884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033738/publication.md
observed d78da7344a53d6583053d8ad69d8eb15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:44.670151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033738/publication.txt
observed 4eb5fa3448a9ef653133bcae16168ab6...
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.