Pith Number

pith:MQITOGXI

pith:2018:MQITOGXIVA7WAPLEIGMMQ5KQRV

not attested not anchored not stored refs pending

Recurring questions that sustain the sensemaking frame

Rosemary S. Russ, Tor Ole B. Odden

arxiv:1807.03137 v2 · 2018-07-09 · physics.ed-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MQITOGXIVA7WAPLEIGMMQ5KQRV}

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	2026-05-17T23:47:30.745037Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6411371ae8a83f603d644198c875508d64dc3937b4c402608d0965073ba46ccb

Aliases

arxiv: 1807.03137 · arxiv_version: 1807.03137v2 · doi: 10.48550/arxiv.1807.03137 · pith_short_12: MQITOGXIVA7W · pith_short_16: MQITOGXIVA7WAPLE · pith_short_8: MQITOGXI

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/MQITOGXIVA7WAPLEIGMMQ5KQRV \
  | 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: 6411371ae8a83f603d644198c875508d64dc3937b4c402608d0965073ba46ccb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de19c3b103442e701b451f7049f030fc8e2c72afc1ed2231e0105470748edf2f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2018-07-09T13:45:45Z",
    "title_canon_sha256": "7f9230568184b740acaac860993a9918af2903a65deae13a18e65fbf490ce0c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.03137",
    "kind": "arxiv",
    "version": 2
  }
}