OpenTechnical

OT-2026-000050561

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, vented 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-2026-000050561) never changes.

Identity and time

Publication numberOT-2026-000050561 · never reused
Internal UUID01a0ae82-5c49-727f-b2a6-8e56b34b7e13 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050561
StatusPUBLIC

Content hashes

Canonical textee743322cf1550eebda06d88fc35ca2c4982e32987ba4a1d84ab56b72a8b5722
Markdown98377600230f24a0306d23293fce31b6bcd88f44a9f22b6ce73398633fda3684
PDF
Publication page71fb6348ae121b4598dc807931967cfd62b16e707eb86632059062dcd70dbf00
Manifest69afa1c58f1286aff60f5721ebc5a97819fcad08af27adb66813d331eb57f9b1

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
SignatureDR2uLlTGOL8yQ1Ei5/CflbT7xu+cjN+uObsTwqPPEBSX5+St62HW+T63rfzm5t0aMiKVhYRFUYuHCZXhegi8Dw==
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

2026-09-17T11:01:39.623632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050561
observed 71fb6348ae121b4598dc807931967cfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:39.607730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050561/manifest.json
observed 69afa1c58f1286aff60f5721ebc5a978...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:39.592463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050561/publication.md
observed 98377600230f24a0306d23293fce31b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:39.576906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050561/publication.txt
observed ee743322cf1550eebda06d88fc35ca2c...
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.