Pith Number

pith:HS3RU4KF

pith:2016:HS3RU4KFYSY3JGQ3TKJDPFZW5N

not attested not anchored not stored refs pending

New Surface Brightness Fluctuations Spectroscopic Technique: NGC4449 and its Stellar Tidal Stream

Aaron Romanowsky, David Martinez-Delgado, Elisa Toloba, Jacob Arnold, Jean Brodie, Kuriakose Theakanath, Neel Ramachandran, Puragra Guhathakurta

arxiv:1605.03967 v1 · 2016-05-12 · 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{HS3RU4KFYSY3JGQ3TKJDPFZW5N}

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	2026-05-18T00:44:47.710636Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3cb71a7145c4b1b49a1b9a92379736eb52d9ac354da7a40d03552c8b75dfd9c5

Aliases

arxiv: 1605.03967 · arxiv_version: 1605.03967v1 · doi: 10.48550/arxiv.1605.03967 · pith_short_12: HS3RU4KFYSY3 · pith_short_16: HS3RU4KFYSY3JGQ3 · pith_short_8: HS3RU4KF

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/HS3RU4KFYSY3JGQ3TKJDPFZW5N \
  | 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: 3cb71a7145c4b1b49a1b9a92379736eb52d9ac354da7a40d03552c8b75dfd9c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2c9974537e02636a907a27703a753feed68b182541857ef8bc68d5323fdcdbb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-05-12T20:00:06Z",
    "title_canon_sha256": "43d2338f405bf7aee107196345913243cda01e7c6d3d687e58c735d70ac1af39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.03967",
    "kind": "arxiv",
    "version": 1
  }
}