Pith Number

pith:WBA4ABBR

pith:2024:WBA4ABBR3VC3BSOOFG7SC5FX6K

not attested not anchored not stored refs pending

Two Egyptian Kings, Shepseskaf and Userkaf, and a solar eclipse (2471 BC)

Amelia Carolina Sparavigna

arxiv:2412.20407 v2 · 2024-12-29 · physics.hist-ph · astro-ph.SR · physics.pop-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{WBA4ABBR3VC3BSOOFG7SC5FX6K}

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.

Cited by

1 paper in Pith

Orientation of Entrance and Burial Chamber in the Pyramids of the Egyptian Fourth and Fifth Dynasties

Receipt and verification

First computed	2026-07-05T09:56:04.949965Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b041c00431dd45b0c9ce29bf2174b7f28d8f33742fa04cd2cff17e9e4451ed85

Aliases

arxiv: 2412.20407 · arxiv_version: 2412.20407v2 · doi: 10.48550/arxiv.2412.20407 · pith_short_12: WBA4ABBR3VC3 · pith_short_16: WBA4ABBR3VC3BSOO · pith_short_8: WBA4ABBR

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/WBA4ABBR3VC3BSOOFG7SC5FX6K \
  | 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: b041c00431dd45b0c9ce29bf2174b7f28d8f33742fa04cd2cff17e9e4451ed85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d831e881445c09c13afa2db1fd7c5b7b7a0f5c2e31482e0fe6248b4d19a4c0b",
    "cross_cats_sorted": [
      "astro-ph.SR",
      "physics.pop-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2024-12-29T09:16:02Z",
    "title_canon_sha256": "bbb92a60eb3a73d8f50fdf9e713487d2f252261508b5bb86e2a37c635147d1b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.20407",
    "kind": "arxiv",
    "version": 2
  }
}