Pith Number

pith:UFHXCTLV

pith:2015:UFHXCTLV2WNZRTYAJ5D2XRNKOW

not attested not anchored not stored refs pending

Modulation of DNA loop lifetimes by the free energy of loop formation

Andrew J. Spakowitz, Peter Mulligan, Rob Phillips, Stephanie Johnson, Yi-Ju Chen

arxiv:1501.01021 v1 · 2015-01-05 · physics.bio-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{UFHXCTLV2WNZRTYAJ5D2XRNKOW}

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	2026-05-18T02:30:00.415217Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a14f714d75d59b98cf004f47abc5aa758d116b8f3d6bb86dfa5985fc11605db5

Aliases

arxiv: 1501.01021 · arxiv_version: 1501.01021v1 · doi: 10.48550/arxiv.1501.01021 · pith_short_12: UFHXCTLV2WNZ · pith_short_16: UFHXCTLV2WNZRTYA · pith_short_8: UFHXCTLV

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/UFHXCTLV2WNZRTYAJ5D2XRNKOW \
  | 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: a14f714d75d59b98cf004f47abc5aa758d116b8f3d6bb86dfa5985fc11605db5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a33cec9cd1ef006d08688c6cc994008574cc27ed00578c5109a53136328a7eb6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2015-01-05T22:05:52Z",
    "title_canon_sha256": "81d7124a0d075ad33372973846d18d7f67b73b5178c6eedab44a2827a05f9998"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.01021",
    "kind": "arxiv",
    "version": 1
  }
}