Pith Number

pith:BE5ELR6X

pith:2015:BE5ELR6XHRES5HY5I4BKFHXVLC

not attested not anchored not stored refs pending

Double Compactification

Atsushi Nakamula, Kiyoshi Shiraishi

arxiv:1502.06677 v1 · 2015-02-24 · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BE5ELR6XHRES5HY5I4BKFHXVLC}

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	2026-05-18T02:26:29.446360Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

093a45c7d73c492e9f1d4702a29ef558b3dbf113bf7a41ab4c5dd230b7a87e63

Aliases

arxiv: 1502.06677 · arxiv_version: 1502.06677v1 · doi: 10.48550/arxiv.1502.06677 · pith_short_12: BE5ELR6XHRES · pith_short_16: BE5ELR6XHRES5HY5 · pith_short_8: BE5ELR6X

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/BE5ELR6XHRES5HY5I4BKFHXVLC \
  | 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: 093a45c7d73c492e9f1d4702a29ef558b3dbf113bf7a41ab4c5dd230b7a87e63

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d681b79a8acf0d4652173157bca0a75918204080c4cad5a45ede9372165d879c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-02-24T02:44:40Z",
    "title_canon_sha256": "13cea2fee9b920bac629ad3790d439698639cec4238beb9aeecac0c01dfe4a65"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.06677",
    "kind": "arxiv",
    "version": 1
  }
}