Pith Number

pith:OHTO3JUH

pith:2019:OHTO3JUHUC35UEPXNDGEK5T4PZ

not attested not anchored not stored refs pending

Steady filtration of Peng-Robinson gas in a porous medium

Mikhail Roop, Valentin Lychagin

arxiv:1904.08387 v1 · 2019-04-17 · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OHTO3JUHUC35UEPXNDGEK5T4PZ}

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	2026-05-17T23:48:17.815787Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

71e6eda687a0b7da11f768cc45767c7e4661f343578584ced8689b7374cae2af

Aliases

arxiv: 1904.08387 · arxiv_version: 1904.08387v1 · doi: 10.48550/arxiv.1904.08387 · pith_short_12: OHTO3JUHUC35 · pith_short_16: OHTO3JUHUC35UEPX · pith_short_8: OHTO3JUH

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/OHTO3JUHUC35UEPXNDGEK5T4PZ \
  | 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: 71e6eda687a0b7da11f768cc45767c7e4661f343578584ced8689b7374cae2af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b930950e240b49dca08085be05fc597d584a1294feb0489dc373c6ec26673f7d",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2019-04-17T17:43:05Z",
    "title_canon_sha256": "e4afcfa5bcc5bc0ba526ae61bb5b6420c874311d1ea0aed5827027bdd8f439bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.08387",
    "kind": "arxiv",
    "version": 1
  }
}