Pith Number

pith:DCIQ5P35

pith:2012:DCIQ5P35XOSCAF2XKPLPYZES6V

not attested not anchored not stored refs pending

The Structure of the Planetary Nebula NGC 2371 in the Visible and Mid-Infrared

G. Ramos-Larios, J. P. Phillips

arxiv:1206.1902 v1 · 2012-06-09 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DCIQ5P35XOSCAF2XKPLPYZES6V}

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	2026-05-18T01:57:00.361751Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18910ebf7dbba420175753d6fc6492f5667982de579542131d39e09f36080940

Aliases

arxiv: 1206.1902 · arxiv_version: 1206.1902v1 · doi: 10.48550/arxiv.1206.1902 · pith_short_12: DCIQ5P35XOSC · pith_short_16: DCIQ5P35XOSCAF2X · pith_short_8: DCIQ5P35

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/DCIQ5P35XOSCAF2XKPLPYZES6V \
  | 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: 18910ebf7dbba420175753d6fc6492f5667982de579542131d39e09f36080940

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88d4b147cdd34fd02e9022b0a51c63a2e60404ec1b38d6b1cc860844f59787e9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-06-09T02:46:49Z",
    "title_canon_sha256": "a78c5f5e2fcf0ec9a4f3b3858d72c4c3d2213d4b0f250584bb28519c8ac53308"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.1902",
    "kind": "arxiv",
    "version": 1
  }
}