Pith Number

pith:JEJ3TWD2

pith:2022:JEJ3TWD2DDIK63CMHCSLZ7KS2H

not attested not anchored not stored refs pending

HI-shielding of ${\rm H_2}$ in UV-irradiated protogalaxies: suppression of the photodissociation rate

Jemma Wolcott-Green, Meredith Neyer

arxiv:2210.09532 v1 · 2022-10-18 · 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{JEJ3TWD2DDIK63CMHCSLZ7KS2H}

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.

Cited by

3 papers in Pith

What is Powering the Enigmatic He II Emitter Hebe: The First Stars or Black Holes?

Clumps in a Cocoon: Geometry and Mixing Set the Universal X-ray to H$\alpha$ Surface Brightness Ratio

What is Powering the Enigmatic He II Emitter Hebe: The First Stars or Black Holes?

Receipt and verification

First computed	2026-07-05T05:07:56.449954Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4913b9d87a18d0af6c4c38a4bcfd52d1eb47a0608f084307b1fb46819092e00e

Aliases

arxiv: 2210.09532 · arxiv_version: 2210.09532v1 · doi: 10.48550/arxiv.2210.09532 · pith_short_12: JEJ3TWD2DDIK · pith_short_16: JEJ3TWD2DDIK63CM · pith_short_8: JEJ3TWD2

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/JEJ3TWD2DDIK63CMHCSLZ7KS2H \
  | 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: 4913b9d87a18d0af6c4c38a4bcfd52d1eb47a0608f084307b1fb46819092e00e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02d9a5945f476ba5812754d4f36c9722fe74499a725cef1cf1857ce049bac73c",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-10-18T01:55:12Z",
    "title_canon_sha256": "754be61f7f5db8c93be5c2e2897b9c9b9107cc612ce92a5bdc77b7f8a23f3021"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.09532",
    "kind": "arxiv",
    "version": 1
  }
}