Pith Number

pith:VUCFPEJR

pith:2015:VUCFPEJRU7GWDUO5FKSXFE6WKC

not attested not anchored not stored refs pending

A quarter century of astrophysics with Japan

Philip Yock

arxiv:1510.05688 v1 · 2015-10-19 · physics.hist-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VUCFPEJRU7GWDUO5FKSXFE6WKC}

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	2026-05-18T01:29:39.962527Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad04579131a7cd61d1dd2aa57293d65092c740c1333ae258a32690af18576c8d

Aliases

arxiv: 1510.05688 · arxiv_version: 1510.05688v1 · doi: 10.48550/arxiv.1510.05688 · pith_short_12: VUCFPEJRU7GW · pith_short_16: VUCFPEJRU7GWDUO5 · pith_short_8: VUCFPEJR

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/VUCFPEJRU7GWDUO5FKSXFE6WKC \
  | 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: ad04579131a7cd61d1dd2aa57293d65092c740c1333ae258a32690af18576c8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3637db47da7d07ea3d313a593a0c0c8455dac242e46eb210a0e46e9d2dda09ed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2015-10-19T20:52:20Z",
    "title_canon_sha256": "6f8743fc69a7786f055b3ae2e0915443fe80212a0c281d2fa336ffc0645d7542"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.05688",
    "kind": "arxiv",
    "version": 1
  }
}