Pith Number

pith:EDFZE4XK

pith:2017:EDFZE4XKBEN2PMM2OVG6S6TX4D

not attested not anchored not stored refs pending

Inflation followed by Belinskii-Khalatnikov-Lifshitz collapse inside accreting, rotating black holes

Andrew J. S. Hamilton

arxiv:1703.01921 v2 · 2017-03-06 · 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{EDFZE4XKBEN2PMM2OVG6S6TX4D}

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	2026-05-18T00:27:21.686283Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20cb9272ea091ba7b19a754de97a77e0c4f704640045a7cdb91f5226e02edbb8

Aliases

arxiv: 1703.01921 · arxiv_version: 1703.01921v2 · doi: 10.48550/arxiv.1703.01921 · pith_short_12: EDFZE4XKBEN2 · pith_short_16: EDFZE4XKBEN2PMM2 · pith_short_8: EDFZE4XK

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/EDFZE4XKBEN2PMM2OVG6S6TX4D \
  | 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: 20cb9272ea091ba7b19a754de97a77e0c4f704640045a7cdb91f5226e02edbb8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e52eb563a7f67188b26540c27c45302c62cf72d5d60c42c93473d97c5183f54",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-03-06T15:21:29Z",
    "title_canon_sha256": "20ac0ac60652e2d2146cc0564658e0f349f1276df7a5b38b66e8989c7b07d162"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.01921",
    "kind": "arxiv",
    "version": 2
  }
}