Pith Number

pith:W7I73MQL

pith:2015:W7I73MQLEB53BIW5ZRSXLWPQ2D

not attested not anchored not stored refs pending

The Eddington's Eclispe and a Possible Replica of the Experiment of Light Bending

Costantino Sigismondi

arxiv:1507.03879 v1 · 2015-07-13 · astro-ph.IM · 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{W7I73MQLEB53BIW5ZRSXLWPQ2D}

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	2026-05-18T01:36:52.334460Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7d1fdb20b207bb0a2ddcc6575d9f0d0c5a7ace56809fc3b84928172afc24701

Aliases

arxiv: 1507.03879 · arxiv_version: 1507.03879v1 · doi: 10.48550/arxiv.1507.03879 · pith_short_12: W7I73MQLEB53 · pith_short_16: W7I73MQLEB53BIW5 · pith_short_8: W7I73MQL

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/W7I73MQLEB53BIW5ZRSXLWPQ2D \
  | 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: b7d1fdb20b207bb0a2ddcc6575d9f0d0c5a7ace56809fc3b84928172afc24701

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0cd45aa4e96b86d81e59f7c8301ca9bab77a96efe8c1777fdb64b66b2067e1ed",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2015-07-13T15:50:16Z",
    "title_canon_sha256": "6bd218cf8aebb1bdf0199d432fcd504a61b3daa4ac962224c9f87516f984333c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.03879",
    "kind": "arxiv",
    "version": 1
  }
}