Pith Number

pith:AAK2REW7

pith:2016:AAK2REW7APDOSWBRLT2RUA4NHU

not attested not anchored not stored refs pending

Waves and null congruences in a draining bathtub

David Dempsey, Sam R Dolan

arxiv:1602.07992 v1 · 2016-02-25 · 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{AAK2REW7APDOSWBRLT2RUA4NHU}

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	2026-05-18T01:15:13.882379Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0015a892df03c6e958315cf51a038d3d001bcc34b1baf5bffbad468f43be05e0

Aliases

arxiv: 1602.07992 · arxiv_version: 1602.07992v1 · doi: 10.48550/arxiv.1602.07992 · pith_short_12: AAK2REW7APDO · pith_short_16: AAK2REW7APDOSWBR · pith_short_8: AAK2REW7

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/AAK2REW7APDOSWBRLT2RUA4NHU \
  | 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: 0015a892df03c6e958315cf51a038d3d001bcc34b1baf5bffbad468f43be05e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af6d601a2cc91f999a88ccdd097efb8bca63e89f3a74226dc709a7f71333ac92",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2016-02-25T16:47:37Z",
    "title_canon_sha256": "1103ea90263121878aa6fd698f5f1104e5f1ec0843fd35c9d1fdfc09aed159cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.07992",
    "kind": "arxiv",
    "version": 1
  }
}