Pith Number

pith:J25HYSZC

pith:1999:J25HYSZCABDUWIYZYNVH77TXOS

not attested not anchored not stored refs pending

ISOCAM spectro-imaging of the H2 rotational lines in the supernova remnant IC443

C.M. Wright, D. Cesarsky, E.F. van Dishoeck, F. Boulanger, G. Pineau des Forets, P. Cox

arxiv:astro-ph/9906380 v1 · 1999-06-24 · 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{J25HYSZCABDUWIYZYNVH77TXOS}

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	2026-05-18T01:07:36.353905Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4eba7c4b2200474b2319c36a7ffe7774ac757188d76b1b29638466706c7f156e

Aliases

arxiv: astro-ph/9906380 · arxiv_version: astro-ph/9906380v1 · doi: 10.48550/arxiv.astro-ph/9906380 · pith_short_12: J25HYSZCABDU · pith_short_16: J25HYSZCABDUWIYZ · pith_short_8: J25HYSZC

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/J25HYSZCABDUWIYZYNVH77TXOS \
  | 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: 4eba7c4b2200474b2319c36a7ffe7774ac757188d76b1b29638466706c7f156e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3faddae3d55d57afd0bd59916ef76ec8187c3a8a4dc209058708f6158e7d01e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-06-24T11:29:54Z",
    "title_canon_sha256": "2e125a2202509aab380cde21ed7646910c63c3025a3f72496fb06c137f3b355a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9906380",
    "kind": "arxiv",
    "version": 1
  }
}