Pith Number

pith:Q4U5BK5X

pith:2009:Q4U5BK5X5H7LPLMVRLSX6MLG5B

not attested not anchored not stored refs pending

Stretching of a single-stranded DNA: Evidence for structural transition

Debaprasad Giri, Garima Mishra, Sanjay Kumar

arxiv:0907.1950 v1 · 2009-07-11 · cond-mat.soft · cond-mat.stat-mech

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q4U5BK5X5H7LPLMVRLSX6MLG5B}

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	2026-05-18T02:13:03.762681Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8729d0abb7e9feb7ad958ae57f3166e87afa71ffaff28f15fcdd64952741e780

Aliases

arxiv: 0907.1950 · arxiv_version: 0907.1950v1 · doi: 10.48550/arxiv.0907.1950 · pith_short_12: Q4U5BK5X5H7L · pith_short_16: Q4U5BK5X5H7LPLMV · pith_short_8: Q4U5BK5X

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/Q4U5BK5X5H7LPLMVRLSX6MLG5B \
  | 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: 8729d0abb7e9feb7ad958ae57f3166e87afa71ffaff28f15fcdd64952741e780

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90e1be0367c9aec5d8ace9c41db11258cd9216eb141370de005c0e5bab99b946",
    "cross_cats_sorted": [
      "cond-mat.stat-mech"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2009-07-11T09:16:32Z",
    "title_canon_sha256": "22248154fef8b9c96a3a132424f97fefc7080da8372296f6584279636db1747b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.1950",
    "kind": "arxiv",
    "version": 1
  }
}