Pith Number

pith:PAUYRML2

pith:2014:PAUYRML2EKENJQCNIR3YCUHIXU

not attested not anchored not stored refs pending

ALMA Observations of the Host Galaxy of GRB090423 at z=8.23: Deep Limits on Obscured Star Formation 630 Million Years After the Big Bang

A.J. Levan, B.A. Zauderer, E. Berger, E.M. Levesque, E.R. Stanway, J.E. Davies, N.R. Tanvir, R. Chornock, R.-R. Chary, T. Laskar

arxiv:1408.2520 v1 · 2014-08-11 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PAUYRML2EKENJQCNIR3YCUHIXU}

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	2026-05-18T01:42:21.703059Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

782988b17a2288d4c04d44778150e8bd0a0c2d885e3412e4a8f1b3bc6855bb0b

Aliases

arxiv: 1408.2520 · arxiv_version: 1408.2520v1 · doi: 10.48550/arxiv.1408.2520 · pith_short_12: PAUYRML2EKEN · pith_short_16: PAUYRML2EKENJQCN · pith_short_8: PAUYRML2

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/PAUYRML2EKENJQCNIR3YCUHIXU \
  | 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: 782988b17a2288d4c04d44778150e8bd0a0c2d885e3412e4a8f1b3bc6855bb0b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79c991b05638623f3f26d6d26b20b8598e12143a6a29da73d2e10ef96964b1bf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-08-11T20:00:04Z",
    "title_canon_sha256": "4a0f1be5e6c96a8554ade1fc0f68e8601e9254d021492dc2a43bc29517f6d838"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.2520",
    "kind": "arxiv",
    "version": 1
  }
}