Pith Number

pith:NAHURJBQ

pith:2014:NAHURJBQQPQJOEGVIVKPCZBLKR

not attested not anchored not stored refs pending

Isosynchronous paths on a rotating surface

Neil Ashby

arxiv:1403.2633 v1 · 2014-03-11 · 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{NAHURJBQQPQJOEGVIVKPCZBLKR}

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	2026-05-18T02:56:42.915329Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

680f48a43083e09710d54554f1642b547ea82806fc5fec107d0f1cf2d0f5fd02

Aliases

arxiv: 1403.2633 · arxiv_version: 1403.2633v1 · doi: 10.48550/arxiv.1403.2633 · pith_short_12: NAHURJBQQPQJ · pith_short_16: NAHURJBQQPQJOEGV · pith_short_8: NAHURJBQ

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/NAHURJBQQPQJOEGVIVKPCZBLKR \
  | 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: 680f48a43083e09710d54554f1642b547ea82806fc5fec107d0f1cf2d0f5fd02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b620c97b87611493257b9b8cf74a1580ab6012fac82e915b9629a7d489498e52",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-03-11T16:35:30Z",
    "title_canon_sha256": "3f7adb7c1a33e959bfada7dafb06027bd9f297211dd55c33f4dc90e06b5a25c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.2633",
    "kind": "arxiv",
    "version": 1
  }
}