Pith Number

pith:NHFACF4C

pith:2008:NHFACF4CFOBUSDFUZ4DMECQGMX

not attested not anchored not stored refs pending

The Brightness of Density Structures at Large Solar Elongation Angles: What is Being Observed by STEREO/SECCHI?

A. Vourlidas, C. Jacobs, I. I. Roussev, N. Lugaz, O. Cohen, W. B. Manchester

arxiv:0808.0198 v1 · 2008-08-01 · physics.space-ph · physics.plasm-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NHFACF4CFOBUSDFUZ4DMECQGMX}

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	2026-07-04T15:42:37.232020Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69ca0117822b83490cb4cf06c20a0665da32678cd816258fc05cc09d563609a4

Aliases

arxiv: 0808.0198 · arxiv_version: 0808.0198v1 · doi: 10.48550/arxiv.0808.0198 · pith_short_12: NHFACF4CFOBU · pith_short_16: NHFACF4CFOBUSDFU · pith_short_8: NHFACF4C

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/NHFACF4CFOBUSDFUZ4DMECQGMX \
  | 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: 69ca0117822b83490cb4cf06c20a0665da32678cd816258fc05cc09d563609a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "937d1dd9c197e4cce970eeb3b5ec820e2decc2d000517c73c0f1c71501ff2434",
    "cross_cats_sorted": [
      "physics.plasm-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.space-ph",
    "submitted_at": "2008-08-01T20:34:53Z",
    "title_canon_sha256": "e06e887a3e97c41db507f4b2857dbf4817df88eb8fdf293f40113f77a528500f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0808.0198",
    "kind": "arxiv",
    "version": 1
  }
}