Pith Number

pith:3DBBZY2H

pith:2011:3DBBZY2H7IFORXCNDDQVXLZVLM

not attested not anchored not stored refs pending

The Star Formation Reference Survey. I. Survey Description and Basic Data

(10) MPE, (11) Spitzer Science Center, (12) National Astronomical Observatories, 2), (2) University of Birmingham, 3), (3) University of Crete, (4) University of Western Ontario, (5) Shandong University at Weihai, (6) Universidad de Alcal\'a de Henares, (7) Nagoya University, (8) CEA/Saclay, (9) Texas A&M University, A. Zezas (1, Canada, C. Cao (5), China, China), C. Papovich (9), Deptamento de F\'isica, D. Ishihara (7), E. Gonzalez-Alfonso (6), E. Sturm (10), France, Germany, G. G. Fazio (1), Greece, H. A. Smith (1), H. Kaneda (7), H. Wu (12), Japan, J. Surace (11), M. L. N. Ashby (1), P. Barmby (4), P. Bonfini (3), S. Madden (8), S. Mahajan (1, Spain, S. P. Willner (1), S. Raychaudhury (2), UK, USA, V. Lyttle (4), Y.-N. Zhu (12) ((1) Harvard-Smithsonian Center for Astrophysics

arxiv:1107.2570 v2 · 2011-07-13 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3DBBZY2H7IFORXCNDDQVXLZVLM}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:01:19.028677Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8c21ce347fa0ae8dc4d18e15baf355b2ca3ce881c7b37f99c603a0e750d277e

Aliases

arxiv: 1107.2570 · arxiv_version: 1107.2570v2 · doi: 10.48550/arxiv.1107.2570 · pith_short_12: 3DBBZY2H7IFO · pith_short_16: 3DBBZY2H7IFORXCN · pith_short_8: 3DBBZY2H

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/3DBBZY2H7IFORXCNDDQVXLZVLM \
  | 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: d8c21ce347fa0ae8dc4d18e15baf355b2ca3ce881c7b37f99c603a0e750d277e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "691f3c0e713ee2b439f09d403f4a86b820c3fe565f8b26da1c55415da9e93008",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-07-13T15:14:04Z",
    "title_canon_sha256": "8b7654f7de12f8228b1827c4b455dce33586878b951e45dc6294590005cc6a79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.2570",
    "kind": "arxiv",
    "version": 2
  }
}