Pith Number

pith:NBB32U4V

pith:2016:NBB32U4V5B6S5AEK6WPC4DQOOE

not attested not anchored not stored refs pending

CosmicFish Validation Notes V1.0

Gongbo Zhao, Marco Raveri, Matteo Martinelli, Yuting Wang

arxiv:1607.01005 v1 · 2016-07-04 · astro-ph.CO · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NBB32U4V5B6S5AEK6WPC4DQOOE}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:11:33.937119Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6843bd5395e87d2e808af59e2e0e0e712f93dc2efcbae04705fbef0db4c4df74

Aliases

arxiv: 1607.01005 · arxiv_version: 1607.01005v1 · doi: 10.48550/arxiv.1607.01005 · pith_short_12: NBB32U4V5B6S · pith_short_16: NBB32U4V5B6S5AEK · pith_short_8: NBB32U4V

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/NBB32U4V5B6S5AEK6WPC4DQOOE \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 6843bd5395e87d2e808af59e2e0e0e712f93dc2efcbae04705fbef0db4c4df74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a84c68965420ccace8041d95117b577ceb01c1e793c3a6a8d2e50d54d84d0d56",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2016-07-04T19:50:45Z",
    "title_canon_sha256": "3d5a89a2783f9cec7935d2983d36cc8c272540abddaa24b359ae300e7e718895"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.01005",
    "kind": "arxiv",
    "version": 1
  }
}