Pith Number

pith:KVLXKYTP

pith:2014:KVLXKYTPTGFNBRUR3COYGQPTL2

not attested not anchored not stored refs pending

First results from the Dragonfly Telephoto Array: the apparent lack of a stellar halo in the massive spiral galaxy M101

Allison Merritt, Pieter van Dokkum, Roberto Abraham

arxiv:1401.5467 v1 · 2014-01-21 · astro-ph.GA · astro-ph.CO · astro-ph.IM · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KVLXKYTPTGFNBRUR3COYGQPTL2}

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	2026-05-18T01:45:18.272170Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

555775626f998ad0c691d89d8341f35e8d172d4ee735106ee73835e9bfc60621

Aliases

arxiv: 1401.5467 · arxiv_version: 1401.5467v1 · doi: 10.48550/arxiv.1401.5467 · pith_short_12: KVLXKYTPTGFN · pith_short_16: KVLXKYTPTGFNBRUR · pith_short_8: KVLXKYTP

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/KVLXKYTPTGFNBRUR3COYGQPTL2 \
  | 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: 555775626f998ad0c691d89d8341f35e8d172d4ee735106ee73835e9bfc60621

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99baa72e7dea035a6a1fc11334f9be5b36e6fc1a51a5d5c937cd6a33ee27ac0c",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.IM",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-01-21T21:00:05Z",
    "title_canon_sha256": "03d1f1e4a41fc15f3280a3324ddc9e1033a152e18c7ea075b6fd3e64ba56b1c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.5467",
    "kind": "arxiv",
    "version": 1
  }
}