OpenTechnical

OT-2026-000010936

Publication integrity record

Single bellows cup vacuum gripper, pump fed, 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-2026-000010936) never changes.

Identity and time

Publication numberOT-2026-000010936 · never reused
Internal UUID01a0ae6c-540d-70b3-9bec-78b808b39d7e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010936
StatusPUBLIC

Content hashes

Canonical text1409b96e3b899d2a6d2eabf86865094d163b545f4b0867e84e37ef8f8c71db78
Markdown881e503cdc13d4248a9c1ef8fb2d6af76db5d74f64b3833e762df9e47dc0ca0d
PDF
Publication page39f9fb9a59171262edde24cab7bddbc6ee3a9d3e36d9ba721fe3da1044f636dd
Manifestd7110bc79927888c7ee4aba2c5992839d9f5ebdede798cd042094ae7fd28ce13

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
SignaturetTH/FC+9Flh3TH9+DZ71pCGovm8fpQUXH7xxUwltC079YuA+AEO47x5qt+36euhC1BpCYRerBt6je5EXcLqMDw==
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

2026-09-17T12:13:43.473422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010936
observed 39f9fb9a59171262edde24cab7bddbc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:43.454903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010936/manifest.json
observed d7110bc79927888c7ee4aba2c5992839...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:43.436104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010936/publication.md
observed 881e503cdc13d4248a9c1ef8fb2d6af7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:43.417906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010936/publication.txt
observed 1409b96e3b899d2a6d2eabf86865094d...
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.