Pith Number

pith:IGHFSHJE

pith:2019:IGHFSHJEXRSVVCT7VRBHC35ZCG

not attested not anchored not stored refs pending

Above the Clouds: A Brief Survey

Ananga Thapaliya, Subham Chakraborty

arxiv:1908.02124 v2 · 2019-08-02 · cs.CY

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IGHFSHJEXRSVVCT7VRBHC35ZCG}

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	2026-07-04T23:52:42.086609Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

418e591d24bc655a8a7fac42716fb911a4ec45776fa4497be1758ae240de1ff9

Aliases

arxiv: 1908.02124 · arxiv_version: 1908.02124v2 · doi: 10.48550/arxiv.1908.02124 · pith_short_12: IGHFSHJEXRSV · pith_short_16: IGHFSHJEXRSVVCT7 · pith_short_8: IGHFSHJE

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/IGHFSHJEXRSVVCT7VRBHC35ZCG \
  | 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: 418e591d24bc655a8a7fac42716fb911a4ec45776fa4497be1758ae240de1ff9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71a9d9132795d800dfc93c5e998e9222ecf3f97605b4b5675282cdc67e06bec2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2019-08-02T07:03:46Z",
    "title_canon_sha256": "dd3709e27cf83ee2ca5b45d7f248c418b0ab54f2d84c3a34c5e84acbfa604e14"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.02124",
    "kind": "arxiv",
    "version": 2
  }
}