Pith Number

pith:YTU4BABW

pith:2009:YTU4BABW25VCFTN4YQFYWKCVDM

not attested not anchored not stored refs pending

Inferring the dynamics of stellar streams via distance gradients

Heidelberg), Nicolas F. Martin (MPIA, Shoko Jin (ARI/ZAH

arxiv:0908.2931 v2 · 2009-08-20 · 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{YTU4BABW25VCFTN4YQFYWKCVDM}

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	2026-05-18T02:12:24.741047Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4e9c08036d76a22cdbcc40b8b28551b1a935f51a27d0c25fefe508715ed9352

Aliases

arxiv: 0908.2931 · arxiv_version: 0908.2931v2 · doi: 10.48550/arxiv.0908.2931 · pith_short_12: YTU4BABW25VC · pith_short_16: YTU4BABW25VCFTN4 · pith_short_8: YTU4BABW

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/YTU4BABW25VCFTN4YQFYWKCVDM \
  | 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: c4e9c08036d76a22cdbcc40b8b28551b1a935f51a27d0c25fefe508715ed9352

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6af94ae982adbc2d6d7d1cb6a94dfab8075c4eb88934ef9fbe112ccd98133ce0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-08-20T14:30:30Z",
    "title_canon_sha256": "643dd1c0f66581f411d2a440c03158271c69429f95c61ba1bb615189e7ef6c9d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.2931",
    "kind": "arxiv",
    "version": 2
  }
}