Pith Number

pith:XAGD7AWM

pith:2016:XAGD7AWM76IGBUZ55QAGXDGATQ

not attested not anchored not stored refs pending

TA-designed vs. research-oriented problem solutions

Chandralekha Singh, Charles R. Henderson, Edit Yerushalmi, Shih-Yin Lin, William Mamudi

arxiv:1602.06392 v1 · 2016-02-20 · 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{XAGD7AWM76IGBUZ55QAGXDGATQ}

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	2026-05-18T01:20:14.159885Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b80c3f82ccff9060d33dec006b8cc09c3b91388586f7dbc6e209dfb8e9a19e6f

Aliases

arxiv: 1602.06392 · arxiv_version: 1602.06392v1 · doi: 10.48550/arxiv.1602.06392 · pith_short_12: XAGD7AWM76IG · pith_short_16: XAGD7AWM76IGBUZ5 · pith_short_8: XAGD7AWM

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/XAGD7AWM76IGBUZ55QAGXDGATQ \
  | 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: b80c3f82ccff9060d33dec006b8cc09c3b91388586f7dbc6e209dfb8e9a19e6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6c317f65ab356fa0acd547095405e9f43b33b25b657496a602c065ddf4a1f41",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2016-02-20T10:17:52Z",
    "title_canon_sha256": "a996c3d3b1a68403976af9231c38dea1445497928bc38360356ed985de6ed17e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.06392",
    "kind": "arxiv",
    "version": 1
  }
}