Pith Number

pith:OFD67TBM

pith:2019:OFD67TBM6BQC4OXKOCP5TE4P7Q

not attested not anchored not stored refs pending

Detection of a double-peaked H$\alpha$ component from the accretion disc of NGC 4958

J.E. Steiner, T.V. Ricci

arxiv:1904.03095 v1 · 2019-04-05 · astro-ph.GA · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OFD67TBM6BQC4OXKOCP5TE4P7Q}

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	2026-05-17T23:49:18.603119Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7147efcc2cf0602e3aea709fd9938ffc195ecfbdab68e97b1cacc283b7ea6935

Aliases

arxiv: 1904.03095 · arxiv_version: 1904.03095v1 · doi: 10.48550/arxiv.1904.03095 · pith_short_12: OFD67TBM6BQC · pith_short_16: OFD67TBM6BQC4OXK · pith_short_8: OFD67TBM

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/OFD67TBM6BQC4OXKOCP5TE4P7Q \
  | 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: 7147efcc2cf0602e3aea709fd9938ffc195ecfbdab68e97b1cacc283b7ea6935

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d229192cb0cabed2b84705ee291a7a27f61c4b473731704e6555fc06a3bbdd7",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-04-05T14:43:01Z",
    "title_canon_sha256": "449e101e41172c9a72fa6abc3e5502dfe2b4dd6615d67f09b85e2bfea94df7dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.03095",
    "kind": "arxiv",
    "version": 1
  }
}