Pith Number

pith:THIKO6ZL

pith:2021:THIKO6ZLKBPB42HWKWD7GTGV32

not attested not anchored not stored refs pending

FirstLight IV: Diversity in sub-L$_*$ galaxies at cosmic dawn

Anna Feltre, Daniel Ceverino, Michaela Hirschmann, Ralf Klessen, Simon Glover, Stephane Charlot

arxiv:2102.12343 v2 · 2021-02-24 · 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{THIKO6ZLKBPB42HWKWD7GTGV32}

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	2026-07-05T02:39:15.153969Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

99d0a77b2b505e1e68f65587f34cd5deb0c0f2d18e91f366a219208b061cd08b

Aliases

arxiv: 2102.12343 · arxiv_version: 2102.12343v2 · doi: 10.48550/arxiv.2102.12343 · pith_short_12: THIKO6ZLKBPB · pith_short_16: THIKO6ZLKBPB42HW · pith_short_8: THIKO6ZL

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/THIKO6ZLKBPB42HWKWD7GTGV32 \
  | 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: 99d0a77b2b505e1e68f65587f34cd5deb0c0f2d18e91f366a219208b061cd08b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90cbc36425b0c2af92a67ef2d8222dd066648eaf20ce4b909ab3df03bb5476bf",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-02-24T15:23:45Z",
    "title_canon_sha256": "e5e8364e2918e624546b6ea9157e8b3691fbbb2fec088f4601a37af34953c14b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.12343",
    "kind": "arxiv",
    "version": 2
  }
}