Pith Number

pith:GGFQIBQ2

pith:2015:GGFQIBQ22T7BOE6WYJYG4SCPYP

not attested not anchored not stored refs pending

New candidates for extremely metal-poor emission-line galaxies in the SDSS/BOSS DR10

C. Henkel, K. J. Fricke, N. G. Guseva, Y. I. Izotov

arxiv:1505.03701 v1 · 2015-05-14 · 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{GGFQIBQ22T7BOE6WYJYG4SCPYP}

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	2026-05-18T01:40:58.161875Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

318b04061ad4fe1713d6c2706e484fc3ee51faeeb6660d961502a8a683dda156

Aliases

arxiv: 1505.03701 · arxiv_version: 1505.03701v1 · doi: 10.48550/arxiv.1505.03701 · pith_short_12: GGFQIBQ22T7B · pith_short_16: GGFQIBQ22T7BOE6W · pith_short_8: GGFQIBQ2

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/GGFQIBQ22T7BOE6WYJYG4SCPYP \
  | 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: 318b04061ad4fe1713d6c2706e484fc3ee51faeeb6660d961502a8a683dda156

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c96f8ce836620c70af2c42a6a1cd70227ac1a1450e4549e1a2a105f70134b6a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-05-14T12:28:22Z",
    "title_canon_sha256": "62e79bcaf3d73a16dfdb3a6e64844f25cd6bf9594df5cce2c71ed7ae97314d06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.03701",
    "kind": "arxiv",
    "version": 1
  }
}