Pith Number

pith:R7XRK5RY

pith:2015:R7XRK5RYIBAKGUBUJID7PN4YXH

not attested not anchored not stored refs pending

Ultraviolet ISM Diagnostics for Star-Forming Galaxies I. Tracers of Metallicity and Extinction

Charles W. Danforth, Claus Leitherer, Emily M. Levesque, Erika Zetterlund

arxiv:1504.00011 v1 · 2015-03-31 · 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{R7XRK5RYIBAKGUBUJID7PN4YXH}

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	2026-05-18T01:59:36.765666Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fef1576384040a350344a07f7b798b9ecf91d83a3fd8c5dae0fd4f7015a728b

Aliases

arxiv: 1504.00011 · arxiv_version: 1504.00011v1 · doi: 10.48550/arxiv.1504.00011 · pith_short_12: R7XRK5RYIBAK · pith_short_16: R7XRK5RYIBAKGUBU · pith_short_8: R7XRK5RY

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/R7XRK5RYIBAKGUBUJID7PN4YXH \
  | 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: 8fef1576384040a350344a07f7b798b9ecf91d83a3fd8c5dae0fd4f7015a728b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "294a896a0b22ad6cd85dea1297ff2ef66822eb2d6216392d45f1f66a10968483",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-03-31T20:00:23Z",
    "title_canon_sha256": "0f381261aafd570897d8245ae0280114ed803f406d908e7f58337574b3388259"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.00011",
    "kind": "arxiv",
    "version": 1
  }
}