Pith Number

pith:AOB3E3WQ

pith:2014:AOB3E3WQXAXOID6HGFRT4LMVXG

not attested not anchored not stored refs pending

Circular Polarization of the CMB: A probe of the First stars

Hiroyuki Tashiro, Soma De

arxiv:1401.1371 v3 · 2014-01-07 · astro-ph.CO

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

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	2026-05-18T01:24:19.481448Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0383b26ed0b82ee40fc731633e2d95b9beb53a3474f3891cf011ee674845765e

Aliases

arxiv: 1401.1371 · arxiv_version: 1401.1371v3 · doi: 10.48550/arxiv.1401.1371 · pith_short_12: AOB3E3WQXAXO · pith_short_16: AOB3E3WQXAXOID6H · pith_short_8: AOB3E3WQ

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/AOB3E3WQXAXOID6HGFRT4LMVXG \
  | 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: 0383b26ed0b82ee40fc731633e2d95b9beb53a3474f3891cf011ee674845765e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79e82142a0226c156b8d84fddc63f111132decc4ff8d7644ae565945ecb17731",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2014-01-07T13:40:32Z",
    "title_canon_sha256": "a891fda2f0cf099a0a1eb03729c51534202b30d84217ec7cbaecec80ce992dc1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.1371",
    "kind": "arxiv",
    "version": 3
  }
}