Pith Number

pith:AAYL6B5J

pith:2009:AAYL6B5JREXXX6NEA2N73PFYXP

not attested not anchored not stored refs pending

Evolution of the optical Tully-Fisher relation up to z=1.3

A. Bongiovanni, A.M. P\'erez Garc\'ia, H. Casta\~neda, J. Cepa, M.A. Lara-L\'opez, M. Fern\'andez Lorenzo, M. Povi\'c, M. S\'anchez-Portal

arxiv:0901.3676 v2 · 2009-01-23 · 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{AAYL6B5JREXXX6NEA2N73PFYXP}

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	2026-07-04T17:14:17.369684Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0030bf07a9892f7bf9a4069bfdbcb8bbf59b3653f625e7df92ba23a20adf1c61

Aliases

arxiv: 0901.3676 · arxiv_version: 0901.3676v2 · doi: 10.48550/arxiv.0901.3676 · pith_short_12: AAYL6B5JREXX · pith_short_16: AAYL6B5JREXXX6NE · pith_short_8: AAYL6B5J

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/AAYL6B5JREXXX6NEA2N73PFYXP \
  | 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: 0030bf07a9892f7bf9a4069bfdbcb8bbf59b3653f625e7df92ba23a20adf1c61

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cafdca68f817f72bc49bd56c30c832c1344368f80a9f28a4654cdd190a236eb4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-01-23T15:24:57Z",
    "title_canon_sha256": "e4ebc7bb88b7bc0061844d68bb1433c8f2ee8bd5e7984355f6a8900d1970e7a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.3676",
    "kind": "arxiv",
    "version": 2
  }
}