Pith Number

pith:EJTT2Z27

pith:2012:EJTT2Z27HH2QP2OYATLVVLZR2L

not attested not anchored not stored refs pending

Deep multiband surface photometry on star forming galaxies: I. A sample of 24 blue compact galaxies

Erik Zackrisson, Florence Durret, Genoveva Micheva, G\"oran \"Ostlin, Isabel Marquez, Josefa Masegosa, Nils Bergvall, Thomas Marquart

arxiv:1208.5461 v1 · 2012-08-27 · 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{EJTT2Z27HH2QP2OYATLVVLZR2L}

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	2026-05-18T01:54:51.261568Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22673d675f39f507e9d804d75aaf31d2cd35d051b68f07bccb79ce2af406f738

Aliases

arxiv: 1208.5461 · arxiv_version: 1208.5461v1 · doi: 10.48550/arxiv.1208.5461 · pith_short_12: EJTT2Z27HH2Q · pith_short_16: EJTT2Z27HH2QP2OY · pith_short_8: EJTT2Z27

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/EJTT2Z27HH2QP2OYATLVVLZR2L \
  | 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: 22673d675f39f507e9d804d75aaf31d2cd35d051b68f07bccb79ce2af406f738

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4e6134c7207289e822a5e926614aad495fe6f65c5498110daa479e61210018e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-08-27T18:07:18Z",
    "title_canon_sha256": "f0f211d1a72138f77a9f816ce751a9a7d1cc0482a8c41df580fbe45fccf20987"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.5461",
    "kind": "arxiv",
    "version": 1
  }
}