Pith Number

pith:IGCM74PW

pith:2015:IGCM74PWJ33TDX2RGLXCPU2CIW

not attested not anchored not stored refs pending

Was Lepenski Vir an ancient Sun or Pleiades observatory?

Milan Mrdjen, Miodrag Krmar, Vladan Pankovic

arxiv:1501.01108 v1 · 2015-01-06 · physics.hist-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{IGCM74PWJ33TDX2RGLXCPU2CIW}

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	2026-05-18T02:30:00.267382Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4184cff1f64ef731df5132ee27d34245bf2a47578ac08449d9950d50845673c6

Aliases

arxiv: 1501.01108 · arxiv_version: 1501.01108v1 · doi: 10.48550/arxiv.1501.01108 · pith_short_12: IGCM74PWJ33T · pith_short_16: IGCM74PWJ33TDX2R · pith_short_8: IGCM74PW

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/IGCM74PWJ33TDX2RGLXCPU2CIW \
  | 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: 4184cff1f64ef731df5132ee27d34245bf2a47578ac08449d9950d50845673c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4ec66b93f7dbef228ced5d00425c32c155c980c978c1d525c09afbbc1a763fa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2015-01-06T08:21:40Z",
    "title_canon_sha256": "45b04d784ee157fc33a4e8ccb25e5e7045bea6964d0595ca766df19df6cf65b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.01108",
    "kind": "arxiv",
    "version": 1
  }
}