Pith Number

pith:GXAPBLFB

pith:2012:GXAPBLFBZE3U4CFGME2IASUCOZ

not attested not anchored not stored refs pending

Gas fraction and star formation efficiency at z < 1.0

E. Schinnerer (MPIA-Heidelberg), F. Combes (LERMA, F. Walter (MPIA-Heidelberg), J. Braine (Obs-Bordeaux), L. Colina (CSIC/INTA, Madrid), Obs-Paris), S. Garcia-Burillo (OAN

arxiv:1209.3665 v2 · 2012-09-17 · 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{GXAPBLFBZE3U4CFGME2IASUCOZ}

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	2026-05-18T01:54:27.384615Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

35c0f0aca1c9374e08a66134804a82767f57f1ba4abca239d4972e5340559f8b

Aliases

arxiv: 1209.3665 · arxiv_version: 1209.3665v2 · doi: 10.48550/arxiv.1209.3665 · pith_short_12: GXAPBLFBZE3U · pith_short_16: GXAPBLFBZE3U4CFG · pith_short_8: GXAPBLFB

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/GXAPBLFBZE3U4CFGME2IASUCOZ \
  | 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: 35c0f0aca1c9374e08a66134804a82767f57f1ba4abca239d4972e5340559f8b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd5c276d762f5422044e9c5f6cc4062875bc042313a707795270680f9a3bed62",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-09-17T14:31:32Z",
    "title_canon_sha256": "bb31483303fb83c3464bf735fea4542d490b301fde1a38bd1a7f377881c65462"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.3665",
    "kind": "arxiv",
    "version": 2
  }
}