Pith Number

pith:6JG3SMEG

pith:2013:6JG3SMEGI2MT334W6MIQ4L2YRU

not attested not anchored not stored refs pending

Time variation of the O/H radial gradient in the galactic disk based on planetary nebulae

R. D. D. Costa, W. J. Maciel

arxiv:1308.1884 v1 · 2013-08-08 · 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{6JG3SMEGI2MT334W6MIQ4L2YRU}

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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.

Cited by

1 paper in Pith

Recalibration of the H$\alpha$ surface brightness-radius relation for planetary nebulae using Gaia DR3: new distances and the Milky Way oxygen radial gradient

Receipt and verification

First computed	2026-05-18T03:16:27.484258Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f24db9308646993def96f3110e2f588d353e8e5c8a5d358d03b9776ad22197cb

Aliases

arxiv: 1308.1884 · arxiv_version: 1308.1884v1 · doi: 10.48550/arxiv.1308.1884 · pith_short_12: 6JG3SMEGI2MT · pith_short_16: 6JG3SMEGI2MT334W · pith_short_8: 6JG3SMEG

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/6JG3SMEGI2MT334W6MIQ4L2YRU \
  | 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: f24db9308646993def96f3110e2f588d353e8e5c8a5d358d03b9776ad22197cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b0d2ee0a318796331f9c383bfbb3354047098c7527ab2023b3dca69e8a82591",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-08-08T15:43:54Z",
    "title_canon_sha256": "764f449a62d3a1ef3190c81290f525ac42e9dc5a860958e9e834772da85948ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.1884",
    "kind": "arxiv",
    "version": 1
  }
}