Pith Number

pith:H3IW6OYT

pith:2016:H3IW6OYTCRNC32LQEELW5XEFJ6

not attested not anchored not stored refs pending

VoIgt profile Parameter Estimation Routine (VIPER): H I photoionization rate at z<0.5

Prakash Gaikwad, Raghunathan Srianand, Tirthankar Roy Choudhury, Vikram Khaire

arxiv:1610.06572 v2 · 2016-10-20 · astro-ph.CO · 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{H3IW6OYTCRNC32LQEELW5XEFJ6}

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

2 papers in Pith

A Measurement of the Thermal and Ionization State of the IGM at $z < 0.5$

Machine Learning Techniques for Astrophysics and Cosmology: Lyman-$\alpha$ forest

Receipt and verification

First computed	2026-05-18T00:47:56.768336Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ed16f3b13145a2de97021176edc854fb5984e6bf4e3ca9e32e9d5a69d8b434e

Aliases

arxiv: 1610.06572 · arxiv_version: 1610.06572v2 · doi: 10.48550/arxiv.1610.06572 · pith_short_12: H3IW6OYTCRNC · pith_short_16: H3IW6OYTCRNC32LQ · pith_short_8: H3IW6OYT

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/H3IW6OYTCRNC32LQEELW5XEFJ6 \
  | 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: 3ed16f3b13145a2de97021176edc854fb5984e6bf4e3ca9e32e9d5a69d8b434e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40a4202dbaaa57ab2f3300642f837b226cc9ec965ad47f80598e41255f19616c",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2016-10-20T20:00:03Z",
    "title_canon_sha256": "6a7bfaf8a5eebc2210725631e299fd2b86683ed87976276dc7795688ec3ab2bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.06572",
    "kind": "arxiv",
    "version": 2
  }
}