Pith Number

pith:PINGNVKH

pith:2016:PINGNVKHICIRE5A3KAN7OW4FK4

not attested not anchored not stored refs pending

Testing modified gravity with dwarf spheroidal galaxies

Hosein Haghi, Vahid Amiri

arxiv:1609.03238 v1 · 2016-09-12 · 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{PINGNVKHICIRE5A3KAN7OW4FK4}

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	2026-05-18T01:04:09.872709Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a1a66d547409112741b501bf75b85570b667bc361c9d3b1ca1fe52e69f76e4a

Aliases

arxiv: 1609.03238 · arxiv_version: 1609.03238v1 · doi: 10.48550/arxiv.1609.03238 · pith_short_12: PINGNVKHICIR · pith_short_16: PINGNVKHICIRE5A3 · pith_short_8: PINGNVKH

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/PINGNVKHICIRE5A3KAN7OW4FK4 \
  | 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: 7a1a66d547409112741b501bf75b85570b667bc361c9d3b1ca1fe52e69f76e4a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4bc5f409ee69050c5288ee539e74fadf8a897886f6e7817628931f52cee2fb84",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-09-12T00:53:52Z",
    "title_canon_sha256": "ca34df67a9f52f6c6112aff9b3bd8943fe046cd7f8d2a7205d794308dcc3502c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.03238",
    "kind": "arxiv",
    "version": 1
  }
}