Pith Number

pith:VGVNZYRD

pith:2015:VGVNZYRDLSOPK2AUSA4DVKGV5D

not attested not anchored not stored refs pending

The ALFA ZOA Deep Survey: First Results

(2) Arecibo Observatory, (3) National Radio Astronomy Observatory, (4) University of Massachusetts Amherst), Emmanuel Momjian (3), Patricia A. Henning (1), Robert F. Minchin (2), Travis P. McIntyre (1), Zhon Butcher (4) ((1) University of New Mexico

arxiv:1506.07143 v1 · 2015-06-23 · astro-ph.GA · 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{VGVNZYRDLSOPK2AUSA4DVKGV5D}

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	2026-05-18T01:36:52.676033Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9aadce2235c9cf5681490383aa8d5e8dccb9bef24bf0dd05dad3679ccdab9f4

Aliases

arxiv: 1506.07143 · arxiv_version: 1506.07143v1 · doi: 10.48550/arxiv.1506.07143 · pith_short_12: VGVNZYRDLSOP · pith_short_16: VGVNZYRDLSOPK2AU · pith_short_8: VGVNZYRD

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/VGVNZYRDLSOPK2AUSA4DVKGV5D \
  | 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: a9aadce2235c9cf5681490383aa8d5e8dccb9bef24bf0dd05dad3679ccdab9f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de223e0b4b6065e2f2c9ecf07e16fa9b1ab6701698f38ef63fd3941192724b38",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-06-23T19:12:11Z",
    "title_canon_sha256": "f86e9c6f198306c80f09bddef295ca946fa0485a2d77eec1b80f183ebb22e8d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.07143",
    "kind": "arxiv",
    "version": 1
  }
}