OpenTechnical

OT-2026-000017929

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000017929) never changes.

Identity and time

Publication numberOT-2026-000017929 · never reused
Internal UUID01a0ae6e-96fc-795d-abeb-534855077ecc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017929
StatusPUBLIC

Content hashes

Canonical text41c809d29549c37ec36951ef87e77f36552a0c6711406d8c37fe8fd537a1bfda
Markdownd48dd79f306e1936357d2d3cec2735832fe18f3b09dff24ab44184935183d90b
PDF
Publication page8bd23c06e2c977914089abe058ee9dabfa0239456d5f2c3063f0f83e6abd08fe
Manifest3c44ebc2bbddc648a64d9deabbba25a5778d00e55e5263d3e050c7c367b20fe9

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
SignaturerXU0gGZrSRSRwn2YkRy5Uj3K5mH1nFttr2JisJSobIjtYXIrIFgoyUBhrUvsxBiW6GOXGoH4M38xGi5H4VopBQ==
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

2026-09-17T12:01:55.434529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017929
observed 8bd23c06e2c977914089abe058ee9dab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:55.416532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017929/manifest.json
observed 3c44ebc2bbddc648a64d9deabbba25a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:55.399467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017929/publication.md
observed d48dd79f306e1936357d2d3cec273583...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:55.383486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017929/publication.txt
observed 41c809d29549c37ec36951ef87e77f36...
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.