Pith Number

pith:FM76BCZK

pith:2014:FM76BCZKSDMHON3YUYYAOBONCK

not attested not anchored not stored refs pending

The discovery of seven extremely low surface brightness galaxies in the field of the nearby spiral galaxy M101

Allison Merritt, Pieter van Dokkum, Roberto Abraham

arxiv:1406.2315 v1 · 2014-06-09 · astro-ph.GA · astro-ph.CO · 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{FM76BCZKSDMHON3YUYYAOBONCK}

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	2026-05-18T02:50:01.882571Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b3fe08b2a90d8773778a6300705cd129205761c71c951c06d53c2c01d412271

Aliases

arxiv: 1406.2315 · arxiv_version: 1406.2315v1 · doi: 10.48550/arxiv.1406.2315 · pith_short_12: FM76BCZKSDMH · pith_short_16: FM76BCZKSDMHON3Y · pith_short_8: FM76BCZK

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/FM76BCZKSDMHON3YUYYAOBONCK \
  | 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: 2b3fe08b2a90d8773778a6300705cd129205761c71c951c06d53c2c01d412271

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "620c7d2666881f9a963093e83b5fd8eafe93d3f9d94c211022141feb2a59065a",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-06-09T20:00:00Z",
    "title_canon_sha256": "e047d8d7d695999369abd4b172db7cfb25eba16b11ddfe83048587b41d2b29ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.2315",
    "kind": "arxiv",
    "version": 1
  }
}