Pith Number

pith:EEG55TA4

pith:2025:EEG55TA4J5YKRLYDVFQJFXWVRW

not attested not anchored not stored refs pending

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

Amelia Carolina Sparavigna

arxiv:2503.22682 v2 · 2025-02-12 · physics.hist-ph · 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{EEG55TA4J5YKRLYDVFQJFXWVRW}

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	2026-07-05T10:42:45.739638Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

210ddecc1c4f70a8af03a96092ded58d859931a445f7c4f17886f34b0d23031e

Aliases

arxiv: 2503.22682 · arxiv_version: 2503.22682v2 · doi: 10.48550/arxiv.2503.22682 · pith_short_12: EEG55TA4J5YK · pith_short_16: EEG55TA4J5YKRLYD · pith_short_8: EEG55TA4

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/EEG55TA4J5YKRLYDVFQJFXWVRW \
  | 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: 210ddecc1c4f70a8af03a96092ded58d859931a445f7c4f17886f34b0d23031e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e740ce06230ea8b7fe39aa3058549c84b14d3f601601b5a993b35c0ba880fd7a",
    "cross_cats_sorted": [
      "physics.pop-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2025-02-12T14:12:15Z",
    "title_canon_sha256": "c2015f9d08613213f878531980c67b08c79321b358f181db7b1cd4fff82b50a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.22682",
    "kind": "arxiv",
    "version": 2
  }
}