Pith Number

pith:V6RTD4P5

pith:2017:V6RTD4P5UWQRXWI2TODFDA4N4F

not attested not anchored not stored refs pending

Harvesting the decay energy of $^{26}$Al to drive lightning discharge in protoplanetary discs

Anders Johansen (Lund University), Satoshi Okuzumi (Tokyo Institute of Technology)

arxiv:1708.05157 v1 · 2017-08-17 · 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{V6RTD4P5UWQRXWI2TODFDA4N4F}

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	2026-05-18T00:27:13.139748Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

afa331f1fda5a11bd91a9b8651838de148561c139b929beee20a2bfa8ff6856d

Aliases

arxiv: 1708.05157 · arxiv_version: 1708.05157v1 · doi: 10.48550/arxiv.1708.05157 · pith_short_12: V6RTD4P5UWQR · pith_short_16: V6RTD4P5UWQRXWI2 · pith_short_8: V6RTD4P5

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/V6RTD4P5UWQRXWI2TODFDA4N4F \
  | 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: afa331f1fda5a11bd91a9b8651838de148561c139b929beee20a2bfa8ff6856d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "414f6016ce6116f39275911209380c1c114a4566dc5cb73a3ae9a6fe04e4db02",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2017-08-17T07:26:21Z",
    "title_canon_sha256": "6e4b90abe985bf9f6308e3fd251d9a1767b717e14d2d684dc0887ab74ac63957"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.05157",
    "kind": "arxiv",
    "version": 1
  }
}