Pith Number

pith:3H5MS4UF

pith:2013:3H5MS4UFJQ4G5CHLPLB5IYAM7H

not attested not anchored not stored refs pending

Hunting for Extremely Faint Planetary Nebulae in the SDSS Spectroscopic Database

Haibo Yuan (KIAA-PKU), Xiaowei Liu (KIAA-PKU)

arxiv:1308.5068 v1 · 2013-08-23 · 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{3H5MS4UFJQ4G5CHLPLB5IYAM7H}

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	2026-05-18T01:47:59.292743Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9fac972854c386e88eb7ac3d4600cf9c603dc45dd6b4feb8c254c2a1b9bc3d1

Aliases

arxiv: 1308.5068 · arxiv_version: 1308.5068v1 · doi: 10.48550/arxiv.1308.5068 · pith_short_12: 3H5MS4UFJQ4G · pith_short_16: 3H5MS4UFJQ4G5CHL · pith_short_8: 3H5MS4UF

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/3H5MS4UFJQ4G5CHLPLB5IYAM7H \
  | 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: d9fac972854c386e88eb7ac3d4600cf9c603dc45dd6b4feb8c254c2a1b9bc3d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28247c3454576c371e514a6e5840b8b305117a0f5561bb0248fa1f69ff76e3e0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-08-23T08:25:43Z",
    "title_canon_sha256": "3cf17a6a0379e59c1efac07ba5a16aa2dffee39c0b2d8ef4f2b9719a9461d7b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.5068",
    "kind": "arxiv",
    "version": 1
  }
}