Pith Number

pith:YCEBAXQ3

pith:2019:YCEBAXQ3HNP6XQLE5DPXTZYEVK

not attested not anchored not stored refs pending

Self-intersecting marginally outer trapped surfaces

Badri Krishnan, Daniel Pook-Kolb, Erik Schnetter, Ofek Birnholtz

arxiv:1907.00683 v1 · 2019-07-01 · 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{YCEBAXQ3HNP6XQLE5DPXTZYEVK}

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	2026-07-05T00:13:49.700108Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c088105e1b3b5febc164e8df79e704aaac92493ffa036d0ba787125d2e9958bd

Aliases

arxiv: 1907.00683 · arxiv_version: 1907.00683v1 · doi: 10.48550/arxiv.1907.00683 · pith_short_12: YCEBAXQ3HNP6 · pith_short_16: YCEBAXQ3HNP6XQLE · pith_short_8: YCEBAXQ3

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/YCEBAXQ3HNP6XQLE5DPXTZYEVK \
  | 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: c088105e1b3b5febc164e8df79e704aaac92493ffa036d0ba787125d2e9958bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25deb30e148b7b2c3f7886df105350615d9e932b9a4eefd3a2661420eece562e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-07-01T12:10:21Z",
    "title_canon_sha256": "a98e39266a6ef45d58948f4ff1a00c24632bcc538515f6336bfa37e374a15bc5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.00683",
    "kind": "arxiv",
    "version": 1
  }
}