OpenTechnical

OT-2026-000016644

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, pulsed 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-2026-000016644) never changes.

Identity and time

Publication numberOT-2026-000016644 · never reused
Internal UUID01a0ae6e-5918-7ae2-b804-90275fc6a24b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016644
StatusPUBLIC

Content hashes

Canonical text207d686faa2a93964ec8865feb44bef9bacd8531ecb1156c5b8aed026a27e428
Markdowncfec8dcdc926c01c1fd01d947671e2e90e5d7c2fb3e1f53d3598b1544cf2f470
PDF
Publication page0b416fe7f756c1496e31dfdbdb54eab8961677eb4ff27b6d749a24de720900b1
Manifest85cfed9f8a208dbe9ddf8b1832098591845c56ece05c01e2e8b4f81c00cc5d98

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
Signature8gJ5N5DJhESPLfgib14hOaOKwE/to6C1ikkLx4v45Pwg9n1MSNubkIqI+0l7HT4GABcHHe+dRnojhtxN0XRhDw==
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

2026-09-17T12:02:50.386716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016644
observed 0b416fe7f756c1496e31dfdbdb54eab8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:50.369122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016644/manifest.json
observed 85cfed9f8a208dbe9ddf8b1832098591...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:50.352225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016644/publication.md
observed cfec8dcdc926c01c1fd01d947671e2e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:50.333661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016644/publication.txt
observed 207d686faa2a93964ec8865feb44bef9...
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.