OpenTechnical

OT-2026-000029961

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, manifold 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-2026-000029961) never changes.

Identity and time

Publication numberOT-2026-000029961 · never reused
Internal UUID01a0ae73-ac48-776d-9b21-743c113dfb2c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029961
StatusPUBLIC

Content hashes

Canonical text138e25cd1c2f24ad8e8267aeda193596950cdfb46170b8c6dc12ac7414e42954
Markdown54796e2cadb5dcb617c1bd99216ead1ba528cd69bde4ec3a09b2230607bea6d5
PDF
Publication pageed603bebff8764f1150d77db712882f4c37414b039848ef3b86dadad6bfc9268
Manifest48a28adca4810a33a9c6ecd0c7636fdaf689d6926fe619ee8b4d64b0b51c4422

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
SignatureYuHsN5LtVvQN07Tjsz0kX7WC04YYaRrubdwAEnJdQ7DHOHr2BPiPilvh3jXby9d5M3OfI3Anvew2rx50I4BiDw==
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

2026-09-17T11:38:40.693607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029961
observed ed603bebff8764f1150d77db712882f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:40.677873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029961/manifest.json
observed 48a28adca4810a33a9c6ecd0c7636fda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:40.658816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029961/publication.md
observed 54796e2cadb5dcb617c1bd99216ead1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:40.636622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029961/publication.txt
observed 138e25cd1c2f24ad8e8267aeda193596...
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.