Pith Number

pith:UND7Q53B

pith:2017:UND7Q53BRI3MLBIDBKJ26NXJRO

not attested not anchored not stored refs pending

An efficient method to estimate sorption isotherm curve coefficients

Denys Dutykh (LAMA), INES), Julien Berger (LOCIE, LOCIE, Nathan Mendes (PUCPR), PUCPR), Thomas Busser (DTS

arxiv:1704.06565 v3 · 2017-04-18 · physics.app-ph · cs.NA · math.NA · physics.class-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{UND7Q53BRI3MLBIDBKJ26NXJRO}

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	2026-06-04T18:10:45.624191Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a347f877618a36c585030a93af36e98bb478696dc73ca673030e73a150fdff39

Aliases

arxiv: 1704.06565 · arxiv_version: 1704.06565v3 · doi: 10.48550/arxiv.1704.06565 · pith_short_12: UND7Q53BRI3M · pith_short_16: UND7Q53BRI3MLBID · pith_short_8: UND7Q53B

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/UND7Q53BRI3MLBIDBKJ26NXJRO \
  | 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: a347f877618a36c585030a93af36e98bb478696dc73ca673030e73a150fdff39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e3b3accfa9acee282fd88702848f6cbef4d4f647dcaa99c29c4c6427d4259a6",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA",
      "physics.class-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2017-04-18T12:42:01Z",
    "title_canon_sha256": "c57d7a935945ea2701ebcee292c94acb79c66b3d89e311398e883da84fe8892f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.06565",
    "kind": "arxiv",
    "version": 3
  }
}