Pith Number

pith:TT4S6VO3

pith:2015:TT4S6VO32IFVHZUDWZ25JIN325

not attested not anchored not stored refs pending

Triangulum II: Possibly a Very Dense Ultra-Faint Dwarf Galaxy

(2) Carnegie Observatories, (3) UC Santa Cruz), Evan N. Kirby (1), Joshua D. Simon (2), Judith G. Cohen (1), Puragra Guhathakurta (3) ((1) Caltech

arxiv:1510.03856 v3 · 2015-10-13 · 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{TT4S6VO32IFVHZUDWZ25JIN325}

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	2026-05-18T01:26:50.079533Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9cf92f55dbd20b53e683b675d4a1bbd777f00922bcb80d79459833d39647c3c8

Aliases

arxiv: 1510.03856 · arxiv_version: 1510.03856v3 · doi: 10.48550/arxiv.1510.03856 · pith_short_12: TT4S6VO32IFV · pith_short_16: TT4S6VO32IFVHZUD · pith_short_8: TT4S6VO3

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/TT4S6VO32IFVHZUDWZ25JIN325 \
  | 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: 9cf92f55dbd20b53e683b675d4a1bbd777f00922bcb80d79459833d39647c3c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e8c9de25816acd6c1a18647042a0b8d9c7d8ab443ac7ff176dc68cc542a7f33",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-10-13T20:12:17Z",
    "title_canon_sha256": "90fcdfbc7aabec9d3f438b80b9d97216b9101a22f092483cdfefcd8daa2a2086"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.03856",
    "kind": "arxiv",
    "version": 3
  }
}