Pith Number

pith:2ZFIUUO3

pith:2016:2ZFIUUO3OTWPAYPTJJFFPM6U44

not attested not anchored not stored refs pending

Ground-Based Mid-Infrared Study of the Compton-Thick AGN in M51 at 10-100 pc Scale

Ai-Lei Sun, Nagisa Oi, Satoki Matsushita, Youichi Ohyama

arxiv:1612.02922 v1 · 2016-12-09 · 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{2ZFIUUO3OTWPAYPTJJFFPM6U44}

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	2026-05-18T00:51:41.610397Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d64a8a51db74ecf061f34a4a57b3d4e719319e9ab9c3fdf2ca635008001f9754

Aliases

arxiv: 1612.02922 · arxiv_version: 1612.02922v1 · doi: 10.48550/arxiv.1612.02922 · pith_short_12: 2ZFIUUO3OTWP · pith_short_16: 2ZFIUUO3OTWPAYPT · pith_short_8: 2ZFIUUO3

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/2ZFIUUO3OTWPAYPTJJFFPM6U44 \
  | 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: d64a8a51db74ecf061f34a4a57b3d4e719319e9ab9c3fdf2ca635008001f9754

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c03213a91176360cf04c191af9bb27830376cb030dca28b18bf6696d6a6990c7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-12-09T05:58:48Z",
    "title_canon_sha256": "8155ff3eb35bada42315b8b9f4c69b326c2786b7ed8d24633fa5e83a89cf44f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.02922",
    "kind": "arxiv",
    "version": 1
  }
}