Pith Number

pith:T6UIT4WW

pith:2017:T6UIT4WWXUGMW4G62TT2U42ZZE

not attested not anchored not stored refs pending

The central spheroids of Milky Way mass-sized galaxies

Andres Meza, Daniela Carollo, Dante Minniti, Manuela Zoccali, Patricia B. Tissera, Rubens E. G. Machado, Timothy C. Beers

arxiv:1709.06605 v1 · 2017-09-19 · astro-ph.GA · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T6UIT4WWXUGMW4G62TT2U42ZZE}

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	2026-05-18T00:31:11.547034Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9fa889f2d6bd0ccb70ded4e7aa7359c903fe5d684fe2cdb7389762e9c09af80a

Aliases

arxiv: 1709.06605 · arxiv_version: 1709.06605v1 · doi: 10.48550/arxiv.1709.06605 · pith_short_12: T6UIT4WWXUGM · pith_short_16: T6UIT4WWXUGMW4G6 · pith_short_8: T6UIT4WW

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/T6UIT4WWXUGMW4G62TT2U42ZZE \
  | 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: 9fa889f2d6bd0ccb70ded4e7aa7359c903fe5d684fe2cdb7389762e9c09af80a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65c03c26701ea1827c3f0f1022bdb3b6e297a9fe461fe3ee0d813f39ad99b26a",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-09-19T18:53:47Z",
    "title_canon_sha256": "419b941a8b0d407461020cd7354f307213edd30459e3ca960e70511af1f82a68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.06605",
    "kind": "arxiv",
    "version": 1
  }
}