Pith Number

pith:7E2SLXJO

pith:2012:7E2SLXJOZITOJAIXP4FOHMCJXQ

not attested not anchored not stored refs pending

Nomads of the Galaxy

Louis E. Strigari, Matteo Barnabe, Philip J. Marshall, Roger D. Blandford

arxiv:1201.2687 v1 · 2012-01-12 · astro-ph.GA · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7E2SLXJOZITOJAIXP4FOHMCJXQ}

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	2026-05-18T01:58:51.842046Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f93525dd2eca26e481177f0ae3b049bc2bedaad80783293865cb003b1bb6d384

Aliases

arxiv: 1201.2687 · arxiv_version: 1201.2687v1 · doi: 10.48550/arxiv.1201.2687 · pith_short_12: 7E2SLXJOZITO · pith_short_16: 7E2SLXJOZITOJAIX · pith_short_8: 7E2SLXJO

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/7E2SLXJOZITOJAIXP4FOHMCJXQ \
  | 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: f93525dd2eca26e481177f0ae3b049bc2bedaad80783293865cb003b1bb6d384

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "708edb08d29d77e83d99803788ffeb376ba9ca894b39a500a4dac3f214a4bef2",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-01-12T21:08:03Z",
    "title_canon_sha256": "e6dadfc37b375eccd27765884fa5e9c95ba945808dc5f5fdec00d643d4cb2740"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.2687",
    "kind": "arxiv",
    "version": 1
  }
}