Pith Number

pith:FIALY4JK

pith:2010:FIALY4JKHQFXSQIM3UC53I2RUX

not attested not anchored not stored refs pending

Some caveats about the evolution of the N/O abundance and the star formation history

M.Gavilan, M.Molla

arxiv:1004.0754 v1 · 2010-04-06 · astro-ph.GA · 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{FIALY4JKHQFXSQIM3UC53I2RUX}

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	2026-05-18T02:24:17.491815Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a00bc712a3c0b79410cdd05dda351a5e2f4ed8e5c885f819f825ac7437523c5

Aliases

arxiv: 1004.0754 · arxiv_version: 1004.0754v1 · doi: 10.48550/arxiv.1004.0754 · pith_short_12: FIALY4JKHQFX · pith_short_16: FIALY4JKHQFXSQIM · pith_short_8: FIALY4JK

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/FIALY4JKHQFXSQIM3UC53I2RUX \
  | 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: 2a00bc712a3c0b79410cdd05dda351a5e2f4ed8e5c885f819f825ac7437523c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81bbf30e6b2b988bb6ec9c2252629571cbfe840562de4aed0415f76c56bbf2f8",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-04-06T02:17:07Z",
    "title_canon_sha256": "7de0c5c066f51c8df8009dd0cdc6389506641ef06e95e8a1e5933e9659ca5c03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.0754",
    "kind": "arxiv",
    "version": 1
  }
}