Pith Number

pith:YT2V3QVT

pith:2016:YT2V3QVTEY6S2VDHQZAIB3O44A

not attested not anchored not stored refs pending

Characterizing Intra-cluster light in the Hubble Frontier Fields

2), (2) Tohoku University, (3) AIP, (4) University of Melbourne), Benedetta Vulcani (4), Kasper B. Schmidt (3), Louis E. Abramson (1), Takahiro Morishita (1, Tommaso Treu (1), Xin Wang (1) ((1) UCLA

arxiv:1610.08503 v2 · 2016-10-26 · 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{YT2V3QVTEY6S2VDHQZAIB3O44A}

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	2026-05-18T00:34:52.526474Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4f55dc2b3263d2d5467864080eddce010d2f48394cc8a9c7e1e5e4b9e967c81

Aliases

arxiv: 1610.08503 · arxiv_version: 1610.08503v2 · doi: 10.48550/arxiv.1610.08503 · pith_short_12: YT2V3QVTEY6S · pith_short_16: YT2V3QVTEY6S2VDH · pith_short_8: YT2V3QVT

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/YT2V3QVTEY6S2VDHQZAIB3O44A \
  | 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: c4f55dc2b3263d2d5467864080eddce010d2f48394cc8a9c7e1e5e4b9e967c81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f694fd9c108da48f9ab03c99b815a91d14930b2a103364f45a0724b4be1ea753",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-10-26T20:00:00Z",
    "title_canon_sha256": "c5481a9e98da3d921a350156ba3c32c6d6b833e76fb11b61eb352815e0df11fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.08503",
    "kind": "arxiv",
    "version": 2
  }
}