Pith Number

pith:AFYMYAUP

pith:2004:AFYMYAUP6LXEVTELX6LYFATYUK

1 verified not anchored not stored refs pending

DNA-condensation, redissolution and mesocrystals induced by tetravalent counterions

E.Allahyarov, G.Gompper, H.L\"owen

Simulations of DNA with tetravalent counterions produce an effective potential that first attracts then repels, driving condensation, redissolution, and an intermediate mesocrystal.

arxiv:cond-mat/0405109 v1 · 2004-05-06 · cond-mat.soft · cond-mat.stat-mech

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\usepackage{pith}
\pithnumber{AFYMYAUP6LXEVTELX6LYFATYUK}

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Record completeness

1 Bitcoin timestamp

2 Internet Archive

✓ Author claim 1 verified · sign in to claim

Elshad Allahyarov orcid verified

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.

Claims

C1strongest claim

The resulting phase diagram includes a DNA-condensation and redissolution transition and a stable mesocrystal with an intermediate lattice constant for high counterion concentration.

C2weakest assumption

That the effective pair potential extracted from two-DNA simulations remains quantitatively accurate when many DNA molecules interact simultaneously in a dense phase.

C3one line summary

Simulations find that tetravalent counterions first condense DNA, then redissolve it, and stabilize an intermediate-spacing mesocrystal at high concentration.

Receipt and verification

First computed	2026-07-04T16:46:17.472442Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0170cc028ff2ee4acc8bbf97828278a28b310c0eb3876a7f2f70d099583eeafd

Aliases

arxiv: cond-mat/0405109 · arxiv_version: cond-mat/0405109v1 · doi: 10.48550/arxiv.cond-mat/0405109 · pith_short_12: AFYMYAUP6LXE · pith_short_16: AFYMYAUP6LXEVTEL · pith_short_8: AFYMYAUP

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/AFYMYAUP6LXEVTELX6LYFATYUK \
  | 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: 0170cc028ff2ee4acc8bbf97828278a28b310c0eb3876a7f2f70d099583eeafd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e81da90140449d0d9792263683d1afc922f9c7f036d998faac8ebc8b6596cae",
    "cross_cats_sorted": [
      "cond-mat.stat-mech"
    ],
    "license": "",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2004-05-06T10:31:26Z",
    "title_canon_sha256": "d87c2eb84f7336f7a7c953b577fe9605487fe1ab876f3020cdbf319899fa08ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0405109",
    "kind": "arxiv",
    "version": 1
  }
}