Pith Number

pith:GBKFCZAA

pith:2007:GBKFCZAABKA5BFRIHWZ5ET52PK

not attested not anchored not stored refs pending

Interactions, star formation and AGN activity

Cheng Li, Guinevere Kauffmann, Simon D. M. White, Timothy M. Heckman, Y. P. Jing

arxiv:0712.0383 v2 · 2007-12-04 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GBKFCZAABKA5BFRIHWZ5ET52PK}

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	2026-07-04T17:07:04.382075Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30545164000a81d096283db3d24fba7ab1c4041bc543ea06cefa36797e9b4aca

Aliases

arxiv: 0712.0383 · arxiv_version: 0712.0383v2 · doi: 10.48550/arxiv.0712.0383 · pith_short_12: GBKFCZAABKA5 · pith_short_16: GBKFCZAABKA5BFRI · pith_short_8: GBKFCZAA

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/GBKFCZAABKA5BFRIHWZ5ET52PK \
  | 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: 30545164000a81d096283db3d24fba7ab1c4041bc543ea06cefa36797e9b4aca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47ad4804de42cf83c1811907edd5da9409f25ec56b5616365f3ab443fd18503e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-12-04T09:50:15Z",
    "title_canon_sha256": "9882c8932e06509bc7187ae41770bc66bee165a17083c757da1c4a85968cdc77"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0712.0383",
    "kind": "arxiv",
    "version": 2
  }
}