Pith Number

pith:JQHJ7OUX

pith:2015:JQHJ7OUXU2GQECXMTF67HOR7JB

not attested not anchored not stored refs pending

Learning Programming : An Indian Perspective

Biswajit Saha, Utpal Kumar Ray

arxiv:1506.08712 v1 · 2015-06-29 · 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{JQHJ7OUXU2GQECXMTF67HOR7JB}

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	2026-05-18T01:37:43.575980Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c0e9fba97a68d020aec997df3ba3f484781b68155f21e719180ee0aa72db7f5

Aliases

arxiv: 1506.08712 · arxiv_version: 1506.08712v1 · doi: 10.48550/arxiv.1506.08712 · pith_short_12: JQHJ7OUXU2GQ · pith_short_16: JQHJ7OUXU2GQECXM · pith_short_8: JQHJ7OUX

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/JQHJ7OUXU2GQECXMTF67HOR7JB \
  | 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: 4c0e9fba97a68d020aec997df3ba3f484781b68155f21e719180ee0aa72db7f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89aa6d0801d133582331c82643c13556ee3e1465b47c6a2b5968b4e62d9032b6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2015-06-29T16:15:14Z",
    "title_canon_sha256": "455841aaa79da734865d6dd632e3ae31a3934343eb0ac376f97b407c7d2173e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.08712",
    "kind": "arxiv",
    "version": 1
  }
}