Pith Number

pith:7ZXIH5W2

pith:2020:7ZXIH5W2JPE73ALSZPW45TRVTX

not attested not anchored not stored refs pending

Toward Machine-Guided, Human-Initiated Explanatory Interactive Learning

Mohit Kumar, Stefano Teso, Teodora Popordanoska

arxiv:2007.10018 v1 · 2020-07-20 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7ZXIH5W2JPE73ALSZPW45TRVTX}

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	2026-07-05T01:20:32.026723Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe6e83f6da4bc9fd8172cbedcece359dca274edabcc083ac8c80e1e4670800d6

Aliases

arxiv: 2007.10018 · arxiv_version: 2007.10018v1 · doi: 10.48550/arxiv.2007.10018 · pith_short_12: 7ZXIH5W2JPE7 · pith_short_16: 7ZXIH5W2JPE73ALS · pith_short_8: 7ZXIH5W2

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/7ZXIH5W2JPE73ALSZPW45TRVTX \
  | 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: fe6e83f6da4bc9fd8172cbedcece359dca274edabcc083ac8c80e1e4670800d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "756716fcd2ab73e6441f56125088ccb050861ec257d294d5daf7294078240db1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2020-07-20T11:51:31Z",
    "title_canon_sha256": "f03dda0a27f70a223eb563da4f632a2bafa0ccf3fffac85db1efd751d0936c68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.10018",
    "kind": "arxiv",
    "version": 1
  }
}