Pith Number

pith:7SB4VWID

pith:2019:7SB4VWIDBV5CK2VZWZTG4Q3K4I

not attested not anchored not stored refs pending

Unveiling the Phase Transition of the Universe During the Reionization Epoch with Lyman-alpha

Anton M. Koekemoer (STScI), Caitlin Casey (UT Austin), Casey Papovich (Texas A\&M), Charlotte Mason (Harvard/Smithsonian CfA), Dan Stark (Arizona), Intae Jung (UT Austin), Isak Wold (NASA GSFC), Jane Rigby (NASA GSFC), Jeyhan Kartaltepe (RIT), Mark Dickinson (NOAO), Marusa Bradac (UC Davis), Nimish Hathi (STScI), Rebecca L. Larson (UT Austin), Ryan Endsley (Arizona), Steven Furlanetto (UCLA), Steven L. Finkelstein (UT Austin), Swara Ravindranath (STScI), Taylor Hutchison (Texas A\&M)

arxiv:1903.04518 v1 · 2019-03-11 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7SB4VWIDBV5CK2VZWZTG4Q3K4I}

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	2026-05-17T23:51:29.408112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc83cad9030d7a256ab9b6666e436ae218ceef23acd0dcfe7b637b1bf8b88d00

Aliases

arxiv: 1903.04518 · arxiv_version: 1903.04518v1 · doi: 10.48550/arxiv.1903.04518 · pith_short_12: 7SB4VWIDBV5C · pith_short_16: 7SB4VWIDBV5CK2VZ · pith_short_8: 7SB4VWID

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/7SB4VWIDBV5CK2VZWZTG4Q3K4I \
  | 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: fc83cad9030d7a256ab9b6666e436ae218ceef23acd0dcfe7b637b1bf8b88d00

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8cd9d0b4c153e736e6d1d9d85b6094ab2cf2781b6e0c35c8ce1b4000c50c490a",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2019-03-11T18:07:43Z",
    "title_canon_sha256": "c54b79c3f3a656c77e8e818ee4cdc55017d765def9e3d040959558256f98b143"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.04518",
    "kind": "arxiv",
    "version": 1
  }
}