Pith Number

pith:T2Y3HK3P

pith:2020:T2Y3HK3P7DXTI3EIYTHIBVMNW2

not attested not anchored not stored refs pending

Optical Variability of the Dwarf AGN NGC 4395 from the Transiting Exoplanet Survey Satellite

Claude-Andre Faucher-Giguere, Colin J. Burke, Qian Yang, Simone Scaringi, Xin Liu, Yu-Ching Chen, Yue Shen

arxiv:2005.04491 v2 · 2020-05-09 · 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{T2Y3HK3P7DXTI3EIYTHIBVMNW2}

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	2026-07-05T01:29:12.144251Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9eb1b3ab6ff8ef346c88c4ce80d58db6aab9349ab1e5965b6698ed211f862fac

Aliases

arxiv: 2005.04491 · arxiv_version: 2005.04491v2 · doi: 10.48550/arxiv.2005.04491 · pith_short_12: T2Y3HK3P7DXT · pith_short_16: T2Y3HK3P7DXTI3EI · pith_short_8: T2Y3HK3P

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/T2Y3HK3P7DXTI3EIYTHIBVMNW2 \
  | 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: 9eb1b3ab6ff8ef346c88c4ce80d58db6aab9349ab1e5965b6698ed211f862fac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1ef4aa36f794535fc5490261b5dfdff251e48fd5e21295fc09c6eb451633724",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-05-09T18:37:16Z",
    "title_canon_sha256": "f0f8c971ec38f57ba4f2f582d7816539d20aee0e4b3eb81dac7521bb508a0721"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.04491",
    "kind": "arxiv",
    "version": 2
  }
}