Pith Number

pith:PCWYIBZT

pith:2007:PCWYIBZTGCUN4IETWWUAHL44QB

not attested not anchored not stored refs pending

Recent Star Formation in Nearby Early-type Galaxies

D. Krajnovic, E. Emsellem, G. van de Ven, H. Kuntschner, J. Falcon-Barroso, M. Cappellari, M. Sarzi, R. Bacon, R.F. Peletier, R.L. Davies, R.M. McDermid, T. de Zeeuw

arxiv:0709.1394 v1 · 2007-09-10 · 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{PCWYIBZTGCUN4IETWWUAHL44QB}

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	2026-07-04T15:04:08.061590Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78ad84073330a8de2093b5a803af9c8048efe7535fc04c29e5e4ae3838f5d136

Aliases

arxiv: 0709.1394 · arxiv_version: 0709.1394v1 · doi: 10.48550/arxiv.0709.1394 · pith_short_12: PCWYIBZTGCUN · pith_short_16: PCWYIBZTGCUN4IET · pith_short_8: PCWYIBZT

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/PCWYIBZTGCUN4IETWWUAHL44QB \
  | 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: 78ad84073330a8de2093b5a803af9c8048efe7535fc04c29e5e4ae3838f5d136

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "596d28e6ed53725376fb0e760a1e17381a8a8a76c0670a078f6433a2b62cb04f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-09-10T13:48:49Z",
    "title_canon_sha256": "fe1002edb1f7453507f293969634c0a9765638a9c028ab856b606e02bfcf75bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0709.1394",
    "kind": "arxiv",
    "version": 1
  }
}