Pith Number

pith:I2KRITGF

pith:2012:I2KRITGFPLA7CMIAK5MJMW2UNK

not attested not anchored not stored refs pending

How trapped surfaces jump in 2+1 dimensions

Emma Jakobsson

arxiv:1208.6160 v3 · 2012-08-30 · 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{I2KRITGFPLA7CMIAK5MJMW2UNK}

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	2026-05-18T03:31:17.232141Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4695144cc57ac1f131005758965b546ab5b3763d9f065e5b97fc4be409400d33

Aliases

arxiv: 1208.6160 · arxiv_version: 1208.6160v3 · doi: 10.48550/arxiv.1208.6160 · pith_short_12: I2KRITGFPLA7 · pith_short_16: I2KRITGFPLA7CMIA · pith_short_8: I2KRITGF

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/I2KRITGFPLA7CMIAK5MJMW2UNK \
  | 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: 4695144cc57ac1f131005758965b546ab5b3763d9f065e5b97fc4be409400d33

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c31bb6a881d3ad4343a8a224a5ecbc68aaf12fe9e3e14ec594bf27e6a12fcf75",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-08-30T13:04:08Z",
    "title_canon_sha256": "096f515c79a438093857be6959f428e4aca5e8dcd319009d94e6ae2f7b5afb24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.6160",
    "kind": "arxiv",
    "version": 3
  }
}