Pith Number

pith:VA5WM5C5

pith:2011:VA5WM5C5MK663IMMYNFVQVIN3B

not attested not anchored not stored refs pending

The U.S. Eclipse Megamovie in 2017: a white paper on a unique outreach event

Hugh S. Hudson, Jay M. Pasachoff, Laura Peticolas, Scott W. McIntosh, Shadia R. Habbal

arxiv:1108.3486 v4 · 2011-08-17 · 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{VA5WM5C5MK663IMMYNFVQVIN3B}

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	2026-05-18T03:58:24.620631Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a83b66745d62bdeda18cc34b58550dd850742bc864299a6d445171fab6745931

Aliases

arxiv: 1108.3486 · arxiv_version: 1108.3486v4 · doi: 10.48550/arxiv.1108.3486 · pith_short_12: VA5WM5C5MK66 · pith_short_16: VA5WM5C5MK663IMM · pith_short_8: VA5WM5C5

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/VA5WM5C5MK663IMMYNFVQVIN3B \
  | 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: a83b66745d62bdeda18cc34b58550dd850742bc864299a6d445171fab6745931

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f3fce94073d1a23d99d6261f2472227550fbabcda67a34cb4e260e1c8a94a5a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-08-17T14:17:53Z",
    "title_canon_sha256": "c7060ac70a8a03e57327a6162d9106128a16e2bfc6dd4f38282e0fcc387108da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.3486",
    "kind": "arxiv",
    "version": 4
  }
}