Pith Number

pith:JNLJWOUP

pith:2012:JNLJWOUPLVOGILWO57SYACKDVW

not attested not anchored not stored refs pending

Spitzer Observations of MF 16 Nebula and the associated Ultraluminous X-ray Source

Ciprian T. Berghea, Rachel P. Dudik

arxiv:1203.4276 v1 · 2012-03-19 · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JNLJWOUPLVOGILWO57SYACKDVW}

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	2026-05-18T01:58:05.829240Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b569b3a8f5d5c642eceefe5800943ad99791774d32a8f4bc001233439e840be

Aliases

arxiv: 1203.4276 · arxiv_version: 1203.4276v1 · doi: 10.48550/arxiv.1203.4276 · pith_short_12: JNLJWOUPLVOG · pith_short_16: JNLJWOUPLVOGILWO · pith_short_8: JNLJWOUP

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/JNLJWOUPLVOGILWO57SYACKDVW \
  | 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: 4b569b3a8f5d5c642eceefe5800943ad99791774d32a8f4bc001233439e840be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04891b9f608f98cfa121a45a909de4fd06ffceefa3bffc46d329ad0b93e4fe6e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-03-19T22:04:43Z",
    "title_canon_sha256": "8593c317bf622e83d38851604993b1d95e3d0c32c2da913bea314f6a01092789"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.4276",
    "kind": "arxiv",
    "version": 1
  }
}