Pith Number

pith:E3C23MYN

pith:2005:E3C23MYNPYW2ELAPLRH4GVJZWE

not attested not anchored not stored refs pending

Photoevaporation Flows in Blister HII Regions: I. Smooth Ionization Fronts and Application to the Orion Nebula

Ma. T. Garcia-Diaz, S. J. Arthur, W. J. Henney

arxiv:astro-ph/0504221 v2 · 2005-04-09 · astro-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{E3C23MYNPYW2ELAPLRH4GVJZWE}

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	2026-07-04T16:52:09.690974Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26c5adb30d7e2da22c0f5c4fc35539b1134ca9a456c7ec33e92483e14a7949d6

Aliases

arxiv: astro-ph/0504221 · arxiv_version: astro-ph/0504221v2 · doi: 10.48550/arxiv.astro-ph/0504221 · pith_short_12: E3C23MYNPYW2 · pith_short_16: E3C23MYNPYW2ELAP · pith_short_8: E3C23MYN

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/E3C23MYNPYW2ELAPLRH4GVJZWE \
  | 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: 26c5adb30d7e2da22c0f5c4fc35539b1134ca9a456c7ec33e92483e14a7949d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a7478fea4ce5254be00db4d7afcec7c4f77eb60f13b2a7831da910bd88a95d0",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-04-09T04:03:30Z",
    "title_canon_sha256": "c0724379dce2f04f64854abf1ee32bf0acd14eba93e6e1c8c2bad857c5cf0fac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0504221",
    "kind": "arxiv",
    "version": 2
  }
}