Pith Number

pith:REXFKYKX

pith:2013:REXFKYKXMMCFWM4Z4ZIFMKTDZC

not attested not anchored not stored refs pending

Clues on the rejuvenation of the S0 galaxy NGC 404 from the chemical abundance of its outer disk

Fabio Bresolin (Institute for Astronomy, University of Hawaii)

arxiv:1306.3027 v1 · 2013-06-13 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{REXFKYKXMMCFWM4Z4ZIFMKTDZC}

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	2026-05-18T01:49:22.846073Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

892e55615763045b3399e650562a63c896618dfb74dfe5715ca487cb1311f7c9

Aliases

arxiv: 1306.3027 · arxiv_version: 1306.3027v1 · doi: 10.48550/arxiv.1306.3027 · pith_short_12: REXFKYKXMMCF · pith_short_16: REXFKYKXMMCFWM4Z · pith_short_8: REXFKYKX

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/REXFKYKXMMCFWM4Z4ZIFMKTDZC \
  | 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: 892e55615763045b3399e650562a63c896618dfb74dfe5715ca487cb1311f7c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f68e535c099ab2cc8e128d1b38a668e9aae0f0a0d757b393f7a12a9536b718f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-06-13T05:43:28Z",
    "title_canon_sha256": "8392a91648b62a8e07a5c6415218cfdc06f7cc0100d986fb85edd8247c4f15fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.3027",
    "kind": "arxiv",
    "version": 1
  }
}