OpenTechnical

OT-2026-000029754

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000029754) never changes.

Identity and time

Publication numberOT-2026-000029754 · never reused
Internal UUID01a0ae73-5e24-78c3-81ba-faebb47bdb8d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029754
StatusPUBLIC

Content hashes

Canonical text6ade707ce27aa03e900f75273c0d5bf436851114bd59481f255876e1344697c0
Markdowndba4f769955e84e1989dd07a44c4c92eb35781d92539dd2e5ad1f061ccfe2c1e
PDF
Publication page224563b8c531d5469f74c4fda6878de6821836336d321711906812bfb635675b
Manifest646198838f47d6f5fd860b07fad81ab3274107925f495c1a812297df9b275663

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
SignaturewR/I7PlafJ6krtoAanJYItuu4bAGnvejmdkrsYPT/wgjhufU8dbwQAtsLlOLki8PHAzc8wZctDQ+rUKBGgJMCQ==
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

2026-09-17T11:39:30.981227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029754
observed 224563b8c531d5469f74c4fda6878de6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:30.961392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029754/manifest.json
observed 646198838f47d6f5fd860b07fad81ab3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:30.943931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029754/publication.md
observed dba4f769955e84e1989dd07a44c4c92e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:30.925725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029754/publication.txt
observed 6ade707ce27aa03e900f75273c0d5bf4...
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.