Pith Number

pith:SIXNS7DI

pith:2026:SIXNS7DIQDDHD7NTC3SF45NYB5

not attested not anchored not stored refs pending

Recommended Second Virial Coefficients for Nitrogen and Oxygen

Allan H. Harvey, Giovanni Garberoglio, Robert Hellmann

arxiv:2607.24634 v1 · 2026-07-27 · 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{SIXNS7DIQDDHD7NTC3SF45NYB5}

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	2026-07-28T02:24:20.010391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

922ed97c6880c671fdb316e45e75b80f44eb1f6392e648b97bb6307712e0912f

Aliases

arxiv: 2607.24634 · arxiv_version: 2607.24634v1 · doi: 10.48550/arxiv.2607.24634 · pith_short_12: SIXNS7DIQDDH · pith_short_16: SIXNS7DIQDDHD7NT · pith_short_8: SIXNS7DI

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/SIXNS7DIQDDHD7NTC3SF45NYB5 \
  | 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: 922ed97c6880c671fdb316e45e75b80f44eb1f6392e648b97bb6307712e0912f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e712717cff1d742eaf3f5f092503900db636e0aac7ad870ee2502d08b5f687c0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2026-07-27T16:31:08Z",
    "title_canon_sha256": "dc2bebc865e01258ad731f8816ad57cfac4557e2301f18909aa74f1ed445ecd4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.24634",
    "kind": "arxiv",
    "version": 1
  }
}