Pith Number

pith:FUYX3JNE

pith:2015:FUYX3JNEYLJEUCCZOUPCJIVE5N

not attested not anchored not stored refs pending

The red extended structure of IC10, the nearest blue compact galaxy

Alan W. McConnachie, Mike Irwin, Stephanie A. N. Gerbrandt

arxiv:1509.05436 v1 · 2015-09-17 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FUYX3JNEYLJEUCCZOUPCJIVE5N}

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	2026-05-18T01:30:57.409131Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d317da5a4c2d24a0859751e24a2a4eb7564e0e83d2622620deae822eff8e95f

Aliases

arxiv: 1509.05436 · arxiv_version: 1509.05436v1 · doi: 10.48550/arxiv.1509.05436 · pith_short_12: FUYX3JNEYLJE · pith_short_16: FUYX3JNEYLJEUCCZ · pith_short_8: FUYX3JNE

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/FUYX3JNEYLJEUCCZOUPCJIVE5N \
  | 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: 2d317da5a4c2d24a0859751e24a2a4eb7564e0e83d2622620deae822eff8e95f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c1d1a9574ccabe595ae343f156bc301058d9f23057f2ee4ced00c08cc8489e2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-09-17T20:40:43Z",
    "title_canon_sha256": "ab9e64e470fbdfde08177b0c87f53931d0038e2fee59ea6ea7a882dc6a44ea28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.05436",
    "kind": "arxiv",
    "version": 1
  }
}