Pith Number

pith:DVUACDBC

pith:2003:DVUACDBCEPV6VLS4NF7E5FG37C

not attested not anchored not stored refs pending

First NH3 detection of the Orion Bar

Aa. Sandqvist, A. Hjalmarson, A. Lecacheux, B. Larsson, C.D. Wilson, C.L. Curry, E. Falgarone, E.M. Gregersen, F.v. Sche'ele, G.F. Mitchell, G. Olofsson, H.G. Flore'n, I. Ristorcelli, J. Harju, J.H. Black, K. Mattila, K. Volk, L.E.B. Johansson, L.H. Nordh, L. Pagani, M. Fich, M. Gerin, M. Olberg, N.F.H. Tothill, P. Bergman, P. Bernath, P. Encrenaz, P. Feldman, R. Liseau, R. Plume, R.S. Booth, S. Kwok, T. Hasegawa, T. Liljestrom, U. Frisk, V. Buat

arxiv:astro-ph/0303122 v1 · 2003-03-05 · 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{DVUACDBCEPV6VLS4NF7E5FG37C}

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	2026-07-04T16:36:36.287386Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d68010c2223ebeaae5c697e4e94dbf89e8bbe489ca60608e9c3c5d98d52763f

Aliases

arxiv: astro-ph/0303122 · arxiv_version: astro-ph/0303122v1 · doi: 10.48550/arxiv.astro-ph/0303122 · pith_short_12: DVUACDBCEPV6 · pith_short_16: DVUACDBCEPV6VLS4 · pith_short_8: DVUACDBC

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/DVUACDBCEPV6VLS4NF7E5FG37C \
  | 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: 1d68010c2223ebeaae5c697e4e94dbf89e8bbe489ca60608e9c3c5d98d52763f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9be3724bc1048c0ed0054f75001f04e38c7b61fdf3f4a8c696db2d60fec3b24f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-03-05T17:56:05Z",
    "title_canon_sha256": "d7c7c747fbc5f23cb1e5225e394d42ef55bfd10071bb17a5e191e65dadccaf28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0303122",
    "kind": "arxiv",
    "version": 1
  }
}