Pith Number

pith:HRBLE35U

pith:2007:HRBLE35UF3GL3NGCGCCOAAJCAD

not attested not anchored not stored refs pending

Infrared Extinction Toward Nearby Star-Forming Regions

2), (2) University of Rochester, (3) University of Toledo, 4), (4) Harvard Smithsonian CfA), E.M. Winston (4), G.G. Fazio (4) ((1) Steward Observatory, J.L. Pipher (2), J. Muzerolle (1), K.M. Flaherty (1, R.A. Gutermuth (2, S.T. Megeath (3)

arxiv:astro-ph/0703777 v1 · 2007-03-29 · 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{HRBLE35UF3GL3NGCGCCOAAJCAD}

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	2026-05-18T04:29:05.337667Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c42b26fb42eccbdb4c23084e0012200c70940dbe05837aa4278d100cd351fdc

Aliases

arxiv: astro-ph/0703777 · arxiv_version: astro-ph/0703777v1 · doi: 10.48550/arxiv.astro-ph/0703777 · pith_short_12: HRBLE35UF3GL · pith_short_16: HRBLE35UF3GL3NGC · pith_short_8: HRBLE35U

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/HRBLE35UF3GL3NGCGCCOAAJCAD \
  | 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: 3c42b26fb42eccbdb4c23084e0012200c70940dbe05837aa4278d100cd351fdc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f6d823f9d10c4b50971f9ae54b755873fe31422c40e4df22a0d1eea7f2580db",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-03-29T21:51:41Z",
    "title_canon_sha256": "08f4d7a9344a43c20112c2d5bc6c81ae6cb234cd5bbda1e1ef88f9525251e9d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0703777",
    "kind": "arxiv",
    "version": 1
  }
}