Pith Number

pith:ZFT2WIP5

pith:2010:ZFT2WIP5MUICLH3WT4Y7BHQPGK

not attested not anchored not stored refs pending

Hubble Space Telescope Imaging of Lyman Alpha Emission at z=4.4

Abhijit Saha, Alistair R. Walker, Anton M. Koekemoer, Bradley C. Whitmore, Bruce Balick, Daniela Calzetti, Donald N. B. Hall, Erick T. Young, Francesco Paresce, Gerard Luppino, Howard E. Bond, James E. Rhoads, Jay A. Frogel, Jay Anderson, John T. Trauger, Jon A. Holtzman, Joseph I. Silk, Keely D. Finkelstein, Max Mutchler, Michael A. Dopita, Michael J. Disney, Nimish P. Hathi, Norman A. Grogin, Patrick J. McCarthy, Randy A. Kimble, Robert W. O'Connell, Rogier A. Windhorst, Russell E. Ryan, Sangeeta Malhotra, Seth H. Cohen, Steven L. Finkelstein

arxiv:1008.0634 v1 · 2010-08-03 · 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{ZFT2WIP5MUICLH3WT4Y7BHQPGK}

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	2026-05-18T02:05:59.679817Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c967ab21fd6510259f769f31f09e0f328d0c94c364eec9f4bb12e55a07fed8eb

Aliases

arxiv: 1008.0634 · arxiv_version: 1008.0634v1 · doi: 10.48550/arxiv.1008.0634 · pith_short_12: ZFT2WIP5MUIC · pith_short_16: ZFT2WIP5MUICLH3W · pith_short_8: ZFT2WIP5

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/ZFT2WIP5MUICLH3WT4Y7BHQPGK \
  | 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: c967ab21fd6510259f769f31f09e0f328d0c94c364eec9f4bb12e55a07fed8eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8281786aadf26fb88adcf6abff2e3c521e91e42e62ab53b0aa9789d86bbe8b8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-08-03T20:00:01Z",
    "title_canon_sha256": "65fc098baa3ca4fe7ccd513f3d016bd7dfee904a2812c0ed55c6817dc0e07ad8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.0634",
    "kind": "arxiv",
    "version": 1
  }
}