Pith Number

pith:2DPUVD2N

pith:2016:2DPUVD2NU7YR66WIEJEXFBZZR6

not attested not anchored not stored refs pending

Toward a Zero-Parameter Model for Galaxy Rotation Curve Data

James O'Brien, Joe Formaggio, Kyler Mikulski, Meagan Crowley, Noah Oblath, Sophia Cisneros

arxiv:1608.08316 v1 · 2016-08-30 · 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{2DPUVD2NU7YR66WIEJEXFBZZR6}

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	2026-05-18T01:06:24.020941Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0df4a8f4da7f11f7ac822497287398fa86fcb8d48246b69876fc95ef1c4f373

Aliases

arxiv: 1608.08316 · arxiv_version: 1608.08316v1 · doi: 10.48550/arxiv.1608.08316 · pith_short_12: 2DPUVD2NU7YR · pith_short_16: 2DPUVD2NU7YR66WI · pith_short_8: 2DPUVD2N

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/2DPUVD2NU7YR66WIEJEXFBZZR6 \
  | 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: d0df4a8f4da7f11f7ac822497287398fa86fcb8d48246b69876fc95ef1c4f373

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28300804a399303012f25c45af68e05a25d1724aacc20358e2332397b564d2d4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-08-30T03:50:23Z",
    "title_canon_sha256": "0bc035467cdc4465f112bc362ceff93363c8c7062e4605b0d1662abe8f2aae5a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.08316",
    "kind": "arxiv",
    "version": 1
  }
}