Pith Number

pith:4S5ULHLH

pith:2015:4S5ULHLH7CZ7BVXDILP67XVAD4

not attested not anchored not stored refs pending

On the properties of the interstellar medium in extremely metal-poor blue compact dwarf galaxies. A VIMOS-IFU study of the cometary galaxy and Ly $\alpha$ absorber Tol 65

A. Humphrey, A. Nigoche-Netro, E. Telles, J. M. Gomes, N. Roche, P. Lagos, P. Papaderos, R. Demarco

arxiv:1511.06707 v2 · 2015-11-20 · 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{4S5ULHLH7CZ7BVXDILP67XVAD4}

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	2026-05-18T01:23:44.138911Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4bb459d67f8b3f0d6e342dfefdea01f257c684478867f8848678aef3473dbca

Aliases

arxiv: 1511.06707 · arxiv_version: 1511.06707v2 · doi: 10.48550/arxiv.1511.06707 · pith_short_12: 4S5ULHLH7CZ7 · pith_short_16: 4S5ULHLH7CZ7BVXD · pith_short_8: 4S5ULHLH

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/4S5ULHLH7CZ7BVXDILP67XVAD4 \
  | 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: e4bb459d67f8b3f0d6e342dfefdea01f257c684478867f8848678aef3473dbca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d61c6e2e313324549616cc5228c5b74a366aa391162e2d42e6b77e271f83cb39",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-11-20T17:43:00Z",
    "title_canon_sha256": "2ec8fa3a6b8a715f99d28a8cce943ca9b07bca3a40790867d4f987c7917001b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.06707",
    "kind": "arxiv",
    "version": 2
  }
}