Pith Number

pith:7ERGGBAL

pith:2010:7ERGGBALHX7LDBG7CYYE4ZHIJE

not attested not anchored not stored refs pending

Studying springs in series using a single spring

Amitabh Joshi, Juan D. Serna

arxiv:1005.4983 v2 · 2010-05-27 · 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{7ERGGBALHX7LDBG7CYYE4ZHIJE}

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	2026-05-18T04:32:09.514472Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f92263040b3dfeb184df16304e64e8490edee7be51b2595be90fbcc7ac32b4e3

Aliases

arxiv: 1005.4983 · arxiv_version: 1005.4983v2 · doi: 10.48550/arxiv.1005.4983 · pith_short_12: 7ERGGBALHX7L · pith_short_16: 7ERGGBALHX7LDBG7 · pith_short_8: 7ERGGBAL

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/7ERGGBALHX7LDBG7CYYE4ZHIJE \
  | 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: f92263040b3dfeb184df16304e64e8490edee7be51b2595be90fbcc7ac32b4e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eed08e7a916a998ecd27ee5ff5bd70961690fa9412e0b9249d88a6fb8f8d87be",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2010-05-27T04:30:49Z",
    "title_canon_sha256": "dfb7fcc78c7a3a567289176db9cba34fd5cb1f638ecce73b6c7bcd07ed4ed166"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.4983",
    "kind": "arxiv",
    "version": 2
  }
}