Pith Number

pith:U5GWYO4T

pith:2015:U5GWYO4TXEN6KMHM7NAZOFDI3C

not attested not anchored not stored refs pending

A Pre-Gaia Census of Nearby Stellar Groups

Eric E. Mamajek

arxiv:1507.06697 v1 · 2015-07-23 · astro-ph.SR · astro-ph.EP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U5GWYO4TXEN6KMHM7NAZOFDI3C}

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	2026-05-18T01:21:31.805648Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a74d6c3b93b91be530ecfb41971468d89e4e60d8215401e6d72d259da61a7fb4

Aliases

arxiv: 1507.06697 · arxiv_version: 1507.06697v1 · doi: 10.48550/arxiv.1507.06697 · pith_short_12: U5GWYO4TXEN6 · pith_short_16: U5GWYO4TXEN6KMHM · pith_short_8: U5GWYO4T

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/U5GWYO4TXEN6KMHM7NAZOFDI3C \
  | 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: a74d6c3b93b91be530ecfb41971468d89e4e60d8215401e6d72d259da61a7fb4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c173bb5c106cf6f110702887387ded6a84795256a60a532921528afee3746d6",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-07-23T22:34:26Z",
    "title_canon_sha256": "95afba457a47ebadbfc6d74b4ef4b2a094164202783e4def4682bfed18b000c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.06697",
    "kind": "arxiv",
    "version": 1
  }
}