Pith Number

pith:4B5W2MNQ

pith:2018:4B5W2MNQEM4VODAK2456337KZQ

not attested not anchored not stored refs pending

Intra-Night Optical monitoring of three {\gamma}-ray detected Narrow-line Seyfert 1 galaxies

Gopal-Krishna, Hum Chand, Vineet Ojha

arxiv:1811.10555 v1 · 2018-11-26 · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4B5W2MNQEM4VODAK2456337KZQ}

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	2026-05-17T23:58:36.199348Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e07b6d31b02339570c0ad73bedefeacc185deab4a2f9bae415f5fef1402704f5

Aliases

arxiv: 1811.10555 · arxiv_version: 1811.10555v1 · doi: 10.48550/arxiv.1811.10555 · pith_short_12: 4B5W2MNQEM4V · pith_short_16: 4B5W2MNQEM4VODAK · pith_short_8: 4B5W2MNQ

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/4B5W2MNQEM4VODAK2456337KZQ \
  | 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: e07b6d31b02339570c0ad73bedefeacc185deab4a2f9bae415f5fef1402704f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c3e3762e45737f26b389d17fa6383e379275f6d2551987f3a818d83d2a7527c",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-11-26T18:01:53Z",
    "title_canon_sha256": "2d1e3398005eeaedebd57590b00ee114950dc409d028f71c1494f29df1bd30a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.10555",
    "kind": "arxiv",
    "version": 1
  }
}