pith. sign in
Pith Number

pith:PJXCHXHN

pith:2010:PJXCHXHNMDPPEZ53ZVSSHIB2G6
not attested not anchored not stored refs pending

High Resolution Spectroscopy of the Planetary Nebulae PM1-242, PM1-318 and PM1-322

C.B. Pereira, E. I\~niguez-Gar\'in, L.F. Miranda, M.A. Guerrero, R. V\'azquez

arxiv:1004.4799 v1 · 2010-04-27 · astro-ph.SR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{PJXCHXHNMDPPEZ53ZVSSHIB2G6}

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 2026-05-18T02:07:53.257346Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

7a6e23dced60def267bbcd6523a03a37bbbe0438b9692ee549a6772bfece06d8

Aliases

arxiv: 1004.4799 · arxiv_version: 1004.4799v1 · doi: 10.48550/arxiv.1004.4799 · pith_short_12: PJXCHXHNMDPP · pith_short_16: PJXCHXHNMDPPEZ53 · pith_short_8: PJXCHXHN
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/PJXCHXHNMDPPEZ53ZVSSHIB2G6 \
  | 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: 7a6e23dced60def267bbcd6523a03a37bbbe0438b9692ee549a6772bfece06d8
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "cc80abe0549b88c0cd157d58d1e68735fc55c29aa55191de7539ffa3ff91f106",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-04-27T13:34:09Z",
    "title_canon_sha256": "16baa20ef15c14e48d0b1e591bc628659968c8e216539179644cf97352ba2f88"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.4799",
    "kind": "arxiv",
    "version": 1
  }
}