Pith Number

pith:IF3G2FRE

pith:2018:IF3G2FREPBFJIBI6NP2U4OG7CV

not attested not anchored not stored refs pending

Zero-error Function Computation on a Directed Acyclic Network

Aditya Ramamoorthy, Ardhendu Tripathy

arxiv:1805.03730 v1 · 2018-05-09 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IF3G2FREPBFJIBI6NP2U4OG7CV}

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	2026-05-18T00:16:18.898010Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41766d1624784a94051e6bf54e38df1553a00aadab17921ec68d6e460dd9ee6e

Aliases

arxiv: 1805.03730 · arxiv_version: 1805.03730v1 · doi: 10.48550/arxiv.1805.03730 · pith_short_12: IF3G2FREPBFJ · pith_short_16: IF3G2FREPBFJIBI6 · pith_short_8: IF3G2FRE

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/IF3G2FREPBFJIBI6NP2U4OG7CV \
  | 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: 41766d1624784a94051e6bf54e38df1553a00aadab17921ec68d6e460dd9ee6e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "587db5a403f08575f628ca3250ce8b997bdf839802f41a661e5f65d0d0ff5ea0",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-05-09T21:00:27Z",
    "title_canon_sha256": "165f7c4cd902d75d3ed4fe71c3e9210a5d2f7250216ec6338e1fc752d58f6f36"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.03730",
    "kind": "arxiv",
    "version": 1
  }
}