Pith Number

pith:Q27TIEYA

pith:2014:Q27TIEYA7A6B5VGSSK3FQGXFXR

not attested not anchored not stored refs pending

How do galaxies build up their spin in the cosmic web?

Charlotte Welker, Christophe Pichon, Julien Devriendt, Sebastien Peirani, Yohan Dubois

arxiv:1410.4111 v1 · 2014-10-15 · 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{Q27TIEYA7A6B5VGSSK3FQGXFXR}

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	2026-05-18T00:50:48.218002Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86bf341300f83c1ed4d292b6581ae5bc4d69a77cd759492cfedc139efbcc1f70

Aliases

arxiv: 1410.4111 · arxiv_version: 1410.4111v1 · doi: 10.48550/arxiv.1410.4111 · pith_short_12: Q27TIEYA7A6B · pith_short_16: Q27TIEYA7A6B5VGS · pith_short_8: Q27TIEYA

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/Q27TIEYA7A6B5VGSSK3FQGXFXR \
  | 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: 86bf341300f83c1ed4d292b6581ae5bc4d69a77cd759492cfedc139efbcc1f70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b548cf909bde38c06345645a840cc9a280433ff05dbe787cda2452e139bd1a2f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-10-15T16:08:38Z",
    "title_canon_sha256": "df15fbb7bf3bbd0bbdee9352c7d8bc9614689ed32ae37c791c71baf5746d2706"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.4111",
    "kind": "arxiv",
    "version": 1
  }
}