Pith Number

pith:NAKD4SCS

pith:2007:NAKD4SCSSS67YUQUKJ3FZEKKTO

not attested not anchored not stored refs pending

X-ray properties of protostars in the Orion Nebula

Astrophysics, Baltimore, CA (3) Department of Physics, California Institute of Technology, Cambridge), CNRS, E. D. Feigelson (5), E. Flaccomio (1), France (7) Harvard Smithsonian Center for Astrophysics, G. Micela (1), INSU, Italy (2) Spitzer Science Center, J. R. Stauffer (2), K. Smith (4), L. Prisinzano (1), L. Rebull (2), MD (5) Department of Astronomy, M. Robberto (4), N. Grosso (6), OH (4) Space Telescope Science Institute, Pasadena, Penn State University PA, Strasbourg, S. Wolk (7) ((1) INAF - Osservatorio Astronomico di Palermo, T. Megeath (3), Universite' Louis-Pasteur, University of Toledo, USA (6) Observatoire astronomique de Strasbourg

arxiv:0712.2975 v1 · 2007-12-18 · 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{NAKD4SCSSS67YUQUKJ3FZEKKTO}

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	2026-07-04T17:07:17.916756Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68143e485294bdfc521452765c914a9b878967af061b14039b29166ace883333

Aliases

arxiv: 0712.2975 · arxiv_version: 0712.2975v1 · doi: 10.48550/arxiv.0712.2975 · pith_short_12: NAKD4SCSSS67 · pith_short_16: NAKD4SCSSS67YUQU · pith_short_8: NAKD4SCS

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/NAKD4SCSSS67YUQUKJ3FZEKKTO \
  | 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: 68143e485294bdfc521452765c914a9b878967af061b14039b29166ace883333

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebfbbf49996de9bcc11ae5ec15922b18d42b894aaaa45e33e40abb53f3aa6f81",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-12-18T15:14:15Z",
    "title_canon_sha256": "bf046cdf62bd65be0a1384f9b262c80e0fcbd09b04a8fccf8be292fa17557a96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0712.2975",
    "kind": "arxiv",
    "version": 1
  }
}