OpenTechnical

OT-2026-000023510

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, sustained 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-2026-000023510) never changes.

Identity and time

Publication numberOT-2026-000023510 · never reused
Internal UUID01a0ae70-7269-79b7-afc9-fbdf60fc82c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023510
StatusPUBLIC

Content hashes

Canonical text3c19c65fd2c171a3e9be743a25a63898c551ff275049206b0490804f444e5dba
Markdown605b871299f7b799d398a429d75edf84a0cd4f9a88fbcebb5bb5219e5dbf7b27
PDF
Publication page1fa31975ad34a5af4faf1560a7196cbd45af94140d55a81a54ba1d2a42afbe12
Manifest4eefad087736ee440bc86f2925f683a2cfe0f64b1e56d2640383ccd6f01ddd66

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
SignaturenkkjM43opAEXZrbaYrBJHN5eTWcA2ZzhJD3nxpMZlkOjxUv5wi1naAt4UGjXCXzKckHtQqaiygrCIzClwWfqBw==
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

2026-09-17T11:51:44.745425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023510
observed 1fa31975ad34a5af4faf1560a7196cbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:44.728337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023510/manifest.json
observed 4eefad087736ee440bc86f2925f683a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:44.710424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023510/publication.md
observed 605b871299f7b799d398a429d75edf84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:44.689615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023510/publication.txt
observed 3c19c65fd2c171a3e9be743a25a63898...
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.