Pith Number

pith:FZME3MY7

pith:2016:FZME3MY7V3K4T34XG5SAHGZPVL

not attested not anchored not stored refs pending

Hydrogen Emission from the Ionized Gaseous Halos of Low Redshift Galaxies

Brice M\'enard (JHU), David W. Hogg (NYU), Dennis Zaritsky (Steward Observatory, Guangtun Zhu, Huanian Zhang, UA)

arxiv:1611.00004 v1 · 2016-10-31 · 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{FZME3MY7V3K4T34XG5SAHGZPVL}

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	2026-05-18T00:53:57.930536Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e584db31faed5c9ef973764039b2faad4c5f2a1b72cc79d63af119ed1901780

Aliases

arxiv: 1611.00004 · arxiv_version: 1611.00004v1 · doi: 10.48550/arxiv.1611.00004 · pith_short_12: FZME3MY7V3K4 · pith_short_16: FZME3MY7V3K4T34X · pith_short_8: FZME3MY7

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/FZME3MY7V3K4T34XG5SAHGZPVL \
  | 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: 2e584db31faed5c9ef973764039b2faad4c5f2a1b72cc79d63af119ed1901780

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "109ba0c9361a457efb4831ad3194c79a436411502d91969262f1f41f646a48ba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-10-31T20:00:01Z",
    "title_canon_sha256": "02a3115a8136ed55ce7c8be3dee0520ba7bd74f144f4e99b984a3957a0428df4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.00004",
    "kind": "arxiv",
    "version": 1
  }
}