Pith Number

pith:EOT4YQR7

pith:2017:EOT4YQR7DDGOZXSRR2V3G67YRZ

not attested not anchored not stored refs pending

Outer Regions of the Milky Way

Francesca Figueras

arxiv:1701.00657 v1 · 2017-01-03 · 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{EOT4YQR7DDGOZXSRR2V3G67YRZ}

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	2026-05-18T00:39:00.359295Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23a7cc423f18ccecde518eabb37bf88e52bbf1f7bfbfe0f66e7add7b3faf2c78

Aliases

arxiv: 1701.00657 · arxiv_version: 1701.00657v1 · doi: 10.48550/arxiv.1701.00657 · pith_short_12: EOT4YQR7DDGO · pith_short_16: EOT4YQR7DDGOZXSR · pith_short_8: EOT4YQR7

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/EOT4YQR7DDGOZXSRR2V3G67YRZ \
  | 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: 23a7cc423f18ccecde518eabb37bf88e52bbf1f7bfbfe0f66e7add7b3faf2c78

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "420b320987b02d4ca80f3e3fe6c81b9485c5b62934284885f3d57a630c66e390",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-01-03T11:15:08Z",
    "title_canon_sha256": "f66b275281505b9d603853767bee5a4784dd8cf2803ee414761b71ec54276c55"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.00657",
    "kind": "arxiv",
    "version": 1
  }
}