Pith Number

pith:6D53QG2S

pith:2012:6D53QG2SHNNYCMPV6QZZFDZ4WQ

not attested not anchored not stored refs pending

On the Origin of the Slow Speed Solar Wind: Helium Abundance Variations

Cara E. Rakowski, J. Martin Laming

arxiv:1204.2776 v1 · 2012-04-12 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6D53QG2SHNNYCMPV6QZZFDZ4WQ}

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	2026-05-18T01:57:53.054544Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0fbb81b523b5b8131f5f433928f3cb43a695278fda51f8d9cfb8afc5ea973d9

Aliases

arxiv: 1204.2776 · arxiv_version: 1204.2776v1 · doi: 10.48550/arxiv.1204.2776 · pith_short_12: 6D53QG2SHNNY · pith_short_16: 6D53QG2SHNNYCMPV · pith_short_8: 6D53QG2S

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/6D53QG2SHNNYCMPV6QZZFDZ4WQ \
  | 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: f0fbb81b523b5b8131f5f433928f3cb43a695278fda51f8d9cfb8afc5ea973d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7875d8a68e456cf3125e49332544b2918bc908d5405b3bc221433467eaeabd5c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-04-12T17:22:11Z",
    "title_canon_sha256": "1bf7ddc29d143be12672e49f26721943e2b54eb4cce0c2e02b0f6d02b2baddd8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.2776",
    "kind": "arxiv",
    "version": 1
  }
}