Pith Number

pith:MF7LOO5E

pith:2018:MF7LOO5E5RI5UEFMWOJGL3LRB6

not attested not anchored not stored refs pending

My Life and My Journey through Solar Physics

Arnab Rai Choudhuri

arxiv:1809.09709 v1 · 2018-08-26 · physics.hist-ph · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MF7LOO5E5RI5UEFMWOJGL3LRB6}

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	2026-05-18T00:04:43.987417Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

617eb73ba4ec51da10acb39265ed710f938e8bcd318e293cba9d9b60f9ce657d

Aliases

arxiv: 1809.09709 · arxiv_version: 1809.09709v1 · doi: 10.48550/arxiv.1809.09709 · pith_short_12: MF7LOO5E5RI5 · pith_short_16: MF7LOO5E5RI5UEFM · pith_short_8: MF7LOO5E

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/MF7LOO5E5RI5UEFMWOJGL3LRB6 \
  | 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: 617eb73ba4ec51da10acb39265ed710f938e8bcd318e293cba9d9b60f9ce657d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12c0af729b266d5a94a25a0b5617e04e68a810f4a3d4b511d4ced1269e86663c",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2018-08-26T13:26:15Z",
    "title_canon_sha256": "801718b82dfb67b8cd8db9c6e6353a06cbb7b8c4a030277ef31934037e206cc5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.09709",
    "kind": "arxiv",
    "version": 1
  }
}