Pith Number

pith:2TW6BWVU

pith:2017:2TW6BWVU6CK2WQD2PDSSUGMWPD

not attested not anchored not stored refs pending

Size distribution of galaxies in SDSS DR7: weak dependence on halo environment

Xiaohu Yang, Youcai Zhang

arxiv:1707.04979 v2 · 2017-07-17 · 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{2TW6BWVU6CK2WQD2PDSSUGMWPD}

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.

Cited by

1 paper in Pith

CSST Preparations: Galaxy Completeness and S\'ersic Profile Fitting across the Wide, Deep, and Extreme Fields

Receipt and verification

First computed	2026-05-17T23:53:01.480714Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4ede0dab4f095ab407a78e52a199678e800183cbddb5f9a3a642d5e71e351d8

Aliases

arxiv: 1707.04979 · arxiv_version: 1707.04979v2 · doi: 10.48550/arxiv.1707.04979 · pith_short_12: 2TW6BWVU6CK2 · pith_short_16: 2TW6BWVU6CK2WQD2 · pith_short_8: 2TW6BWVU

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/2TW6BWVU6CK2WQD2PDSSUGMWPD \
  | 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: d4ede0dab4f095ab407a78e52a199678e800183cbddb5f9a3a642d5e71e351d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d353222eb31c2d344cb395aab42e9f40ee5c9ad62145ae0364e09d122450695",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-07-17T02:27:21Z",
    "title_canon_sha256": "b894934176922494fc9d8b3b584c8bd11e2878b3fe299255f4c575d9c62a40d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.04979",
    "kind": "arxiv",
    "version": 2
  }
}