Pith Number

pith:DNTCQSDH

pith:2012:DNTCQSDHLOXS6FOC3C3D2S6ZRY

not attested not anchored not stored refs pending

Formation and Radiative Feedback of First Objects and First Galaxies

Benoit Semelin, Hajime Susa, Kenji Hasegawa, Masayuki Umemura, Tamon Suwa

arxiv:1210.7616 v1 · 2012-10-29 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DNTCQSDHLOXS6FOC3C3D2S6ZRY}

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	2026-05-18T03:42:09.348771Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b662848675baf2f15c2d8b63d4bd98e32005bec7d8ea51b8c06204897b52439

Aliases

arxiv: 1210.7616 · arxiv_version: 1210.7616v1 · doi: 10.48550/arxiv.1210.7616 · pith_short_12: DNTCQSDHLOXS · pith_short_16: DNTCQSDHLOXS6FOC · pith_short_8: DNTCQSDH

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/DNTCQSDHLOXS6FOC3C3D2S6ZRY \
  | 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: 1b662848675baf2f15c2d8b63d4bd98e32005bec7d8ea51b8c06204897b52439

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "328f72547e9a76b576eeb9ceee6dc17aab10443fae1d3df292d072f147197851",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-10-29T10:53:32Z",
    "title_canon_sha256": "f2522fda3601d12fb84925e6a0cd096e8598ff1333094f15b5dcd1c8cbb6e073"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.7616",
    "kind": "arxiv",
    "version": 1
  }
}