Pith Number

pith:655BOQ2S

pith:2020:655BOQ2SPNZM3LTQJ7WZDH3SDW

not attested not anchored not stored refs pending

High-pressure NMR spectroscopy in studies of the conformational composition of small molecules of ibuprofen in supercritical carbon dioxide

Alexey Dyshin, Dmitry Ivlev, Ilya Khodov, Michael Kiselev, Sergey Efimov

arxiv:2003.09630 v1 · 2020-03-21 · physics.chem-ph · cond-mat.other

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{655BOQ2SPNZM3LTQJ7WZDH3SDW}

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	2026-07-05T00:54:33.372503Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f77a1743527b72cdae704fed919f721da7e2c889fa1ce59976c14e5f286bc814

Aliases

arxiv: 2003.09630 · arxiv_version: 2003.09630v1 · doi: 10.48550/arxiv.2003.09630 · pith_short_12: 655BOQ2SPNZM · pith_short_16: 655BOQ2SPNZM3LTQ · pith_short_8: 655BOQ2S

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/655BOQ2SPNZM3LTQJ7WZDH3SDW \
  | 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: f77a1743527b72cdae704fed919f721da7e2c889fa1ce59976c14e5f286bc814

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7d5d4577e5af8911d2cf4df81ffd0fe5b88c08ad4d3b36be8d61edd75d8ba4e",
    "cross_cats_sorted": [
      "cond-mat.other"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2020-03-21T11:11:37Z",
    "title_canon_sha256": "2315d8a07e3ad338a922e899436b84e111b9141b0eaf6eb5be8dec1f4f4602be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.09630",
    "kind": "arxiv",
    "version": 1
  }
}