Pith Number

pith:FYYWQWMK

pith:2012:FYYWQWMKOUBE4IHYQO55PAD6FS

not attested not anchored not stored refs pending

Constraints on feedback processes during the formation of early-type galaxies

Francesco La Barbera, Ignacio de la Rosa, Ignacio Ferreras, Marina Trevisan, Reinaldo de Carvalho

arxiv:1203.4775 v1 · 2012-03-21 · 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{FYYWQWMKOUBE4IHYQO55PAD6FS}

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	2026-05-18T01:58:04.960148Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e3168598a75024e20f883bbd7807e2c9c62cd0471dada81d9075776c2b5b1d4

Aliases

arxiv: 1203.4775 · arxiv_version: 1203.4775v1 · doi: 10.48550/arxiv.1203.4775 · pith_short_12: FYYWQWMKOUBE · pith_short_16: FYYWQWMKOUBE4IHY · pith_short_8: FYYWQWMK

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/FYYWQWMKOUBE4IHYQO55PAD6FS \
  | 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: 2e3168598a75024e20f883bbd7807e2c9c62cd0471dada81d9075776c2b5b1d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fac65d7e88373f91c4a3ca16cc8c1b570378aec4033c42db4090d258f74770ff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-03-21T16:19:17Z",
    "title_canon_sha256": "489da64d2402e8caf5fa63ade6e1207017e6689500266d90ba3350a1c7a62dc4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.4775",
    "kind": "arxiv",
    "version": 1
  }
}