OpenTechnical

OT-2026-000009980

Publication integrity record

Four cup vacuum gripper, four zone face, three stage ejector, vented after 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-2026-000009980) never changes.

Identity and time

Publication numberOT-2026-000009980 · never reused
Internal UUID01a0ae6b-cb79-7f59-8b88-bd1271191a0e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009980
StatusPUBLIC

Content hashes

Canonical text63d75926ba7144816fd3a0d8b0afa08b7a52cd09ddcb2fa71355fd1347490588
Markdownf71aef69a7e4e16d3b822b3883782f8477e441455c97eb55ff2bfc8be8fdfbfa
PDF
Publication page6e2a2342a11681003816d580375b78d9a274f667180ae94262d855f4f7f3a2c0
Manifestd128490bcbcb8be25ab702a5e92009802bf27f3904dcbca6784def2d104726f8

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
SignatureQZxZsjpsnE+tgXt6sRaHjaWuQ4iWfXMv9KAwRWWlJ+7PXDUNIt5OELPFPzlgzVJbuLC6xWUHHZzIdRPMwW1nCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:01.413693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009980
observed 6e2a2342a11681003816d580375b78d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:01.396235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009980/manifest.json
observed d128490bcbcb8be25ab702a5e9200980...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:01.378759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009980/publication.md
observed f71aef69a7e4e16d3b822b3883782f84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:01.359202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009980/publication.txt
observed 63d75926ba7144816fd3a0d8b0afa08b...
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.