Pith Number

pith:TQ7XW7ZM

pith:2008:TQ7XW7ZMEHAI4KQGAXN7JUGPTY

not attested not anchored not stored refs pending

Microreversible recycled chemical systems. Comment on "A Re-Examination of Reversibility in Reaction Models for the Spontaneous Emergence of Homochirality"

Raphael Plasson

arxiv:0804.3939 v2 · 2008-04-24 · q-bio.MN · physics.chem-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{TQ7XW7ZMEHAI4KQGAXN7JUGPTY}

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	2026-05-18T04:21:50.897730Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c3f7b7f2c21c08e2a0605dbf4d0cf9e1ac676a300735915e861a07980bd8a53

Aliases

arxiv: 0804.3939 · arxiv_version: 0804.3939v2 · doi: 10.48550/arxiv.0804.3939 · pith_short_12: TQ7XW7ZMEHAI · pith_short_16: TQ7XW7ZMEHAI4KQG · pith_short_8: TQ7XW7ZM

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/TQ7XW7ZMEHAI4KQGAXN7JUGPTY \
  | 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: 9c3f7b7f2c21c08e2a0605dbf4d0cf9e1ac676a300735915e861a07980bd8a53

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3af8a50ff096d14e0cc14651088032113453431eb9132dd8f11af05a7a09fc2",
    "cross_cats_sorted": [
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.MN",
    "submitted_at": "2008-04-24T14:40:23Z",
    "title_canon_sha256": "f7226af6140e44dbacfbbf9ef4160f06e7948bdd48cb9d9ddbb05db1ef7090a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0804.3939",
    "kind": "arxiv",
    "version": 2
  }
}