Pith Number

pith:PM4HO4BE

pith:2018:PM4HO4BEQTJ3F6LTYB7UDGVFM5

not attested not anchored not stored refs pending

On the prospect of discovering `galaxy groups' through radio observations

Prateek Gupta, Reju Sam John, Surajit Paul, Venkat Pubjabi

arxiv:1803.10764 v1 · 2018-03-27 · astro-ph.CO · astro-ph.HE · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PM4HO4BEQTJ3F6LTYB7UDGVFM5}

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	2026-05-18T00:19:50.286404Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b3877702484d3b2f973c07f419aa56764c644fde826ad50f6f810f350d6b007

Aliases

arxiv: 1803.10764 · arxiv_version: 1803.10764v1 · doi: 10.48550/arxiv.1803.10764 · pith_short_12: PM4HO4BEQTJ3 · pith_short_16: PM4HO4BEQTJ3F6LT · pith_short_8: PM4HO4BE

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/PM4HO4BEQTJ3F6LTYB7UDGVFM5 \
  | 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: 7b3877702484d3b2f973c07f419aa56764c644fde826ad50f6f810f350d6b007

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a10d05cc768f5484fd54459259dce4058d1efed45dda6493a74b701838e5f60c",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-03-27T19:00:44Z",
    "title_canon_sha256": "651820b38198c4805ac97833c52fa97874beb9efa2993f5f337e5efc363a68a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.10764",
    "kind": "arxiv",
    "version": 1
  }
}