Pith Number

pith:QQLCRGYE

pith:2012:QQLCRGYEQHL44MSKIJWD5XFEG4

not attested not anchored not stored refs pending

HeII emitters in the VIMOS VLT Deep Survey: PopIII star formation or peculiar stellar populations in galaxies at 2<z<4.6?

A. Pollo, A. Zanichelli, B. Garilli, B. Lemaux, C. Adami, D. Maccagni, D. Vergani, E. Zucca, G. Zamorani, L. Pozzetti, L. Tresse, O. Cucciati, O. Le Fevre, P. Cassata, S. Bardelli, S. Charlot, T. Contini, V. Le Brun

arxiv:1212.5270 v2 · 2012-12-20 · 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{QQLCRGYEQHL44MSKIJWD5XFEG4}

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	2026-05-18T01:52:29.515422Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8416289b0481d7ce324a426c3edca43701d1dc7a53a221578a9be3e239796c47

Aliases

arxiv: 1212.5270 · arxiv_version: 1212.5270v2 · doi: 10.48550/arxiv.1212.5270 · pith_short_12: QQLCRGYEQHL4 · pith_short_16: QQLCRGYEQHL44MSK · pith_short_8: QQLCRGYE

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/QQLCRGYEQHL44MSKIJWD5XFEG4 \
  | 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: 8416289b0481d7ce324a426c3edca43701d1dc7a53a221578a9be3e239796c47

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40e0b6498b70a56f554fbad6a11fc320b065dd84170ebab13588f16bc6c3e8f7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-12-20T21:08:26Z",
    "title_canon_sha256": "5766648afbc76680bff7e54e8edcc59448be0366577d47e70d7ca92e67a80e09"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.5270",
    "kind": "arxiv",
    "version": 2
  }
}