Pith Number

pith:UUREULNI

pith:2018:UUREULNIFFSWD34CTDOH3PJLBK

not attested not anchored not stored refs pending

Time-dependent Pattern Speeds in Barred Galaxies

Daniel Pfenniger, Ronald E. Taam, Yu-Ting Wu

arxiv:1805.07131 v1 · 2018-05-18 · 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{UUREULNIFFSWD34CTDOH3PJLBK}

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	2026-05-18T00:11:04.892946Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5224a2da8296561ef8298dc7dbd2b0a81ecbef9ca5a226af7634d0a646f28ec

Aliases

arxiv: 1805.07131 · arxiv_version: 1805.07131v1 · doi: 10.48550/arxiv.1805.07131 · pith_short_12: UUREULNIFFSW · pith_short_16: UUREULNIFFSWD34C · pith_short_8: UUREULNI

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/UUREULNIFFSWD34CTDOH3PJLBK \
  | 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: a5224a2da8296561ef8298dc7dbd2b0a81ecbef9ca5a226af7634d0a646f28ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43da7e8628a2348c696df902640aa3e7684c52ba3c640aab74b12a89a8c65289",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-05-18T10:32:07Z",
    "title_canon_sha256": "09b670411b14bc2deee0bb6728ec9ba95395c69adabb5e9c3b2b641c6c9a780e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.07131",
    "kind": "arxiv",
    "version": 1
  }
}