Pith Number

pith:XC2G3OTF

pith:2019:XC2G3OTFF5GXFRDKYKMYZ3YWDS

not attested not anchored not stored refs pending

Surface flow profiles for dry and wet granular materials by Particle Tracking Velocimetry; the effect of wall roughness

Anthony R. Thornton, Bert J. Scheper, Deepak R. Tunuguntla, Harmen Polman, Stefan Luding, Sudeshna Roy, Thomas Weinhart

arxiv:1901.01472 v1 · 2019-01-05 · cond-mat.soft

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XC2G3OTFF5GXFRDKYKMYZ3YWDS}

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	2026-05-17T23:56:51.949596Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8b46dba652f4d72c46ac2998cef161cbaaf6e34148220d117cc83ad154c489b

Aliases

arxiv: 1901.01472 · arxiv_version: 1901.01472v1 · doi: 10.48550/arxiv.1901.01472 · pith_short_12: XC2G3OTFF5GX · pith_short_16: XC2G3OTFF5GXFRDK · pith_short_8: XC2G3OTF

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/XC2G3OTFF5GXFRDKYKMYZ3YWDS \
  | 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: b8b46dba652f4d72c46ac2998cef161cbaaf6e34148220d117cc83ad154c489b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c65a39d5cc19ff47fe8758cbbd27aba5edc1ac87dcb2aa71356e96e295132c2c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2019-01-05T21:50:19Z",
    "title_canon_sha256": "b6246e7a553326ccd2474f1d012221baab05d452a420e240cfe5ecf21e9bd8a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.01472",
    "kind": "arxiv",
    "version": 1
  }
}