Pith Number

pith:4UTM62FL

pith:2007:4UTM62FLUHNQL3BCE6AGILDJDE

not attested not anchored not stored refs pending

Granular instability in a vibrated U tube

C.J. Lobb, G. Guti\'errez, I. S\'anchez, J.R. Darias, R. Paredes

arxiv:0705.2826 v1 · 2007-05-19 · 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{4UTM62FLUHNQL3BCE6AGILDJDE}

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	2026-05-18T01:09:24.680578Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e526cf68aba1db05ec222780642c691915ef82e3455afdb9073e685827cbed2c

Aliases

arxiv: 0705.2826 · arxiv_version: 0705.2826v1 · doi: 10.48550/arxiv.0705.2826 · pith_short_12: 4UTM62FLUHNQ · pith_short_16: 4UTM62FLUHNQL3BC · pith_short_8: 4UTM62FL

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/4UTM62FLUHNQL3BCE6AGILDJDE \
  | 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: e526cf68aba1db05ec222780642c691915ef82e3455afdb9073e685827cbed2c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "248edbd46680c0c09debbc328a4abda8d6297bf4fec0909ce5f878ebe5d6f52c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2007-05-19T16:33:31Z",
    "title_canon_sha256": "e1609b7e67febf9eba10c35f7ff4ef39e7020fa2382629a17dbbad3e548259c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0705.2826",
    "kind": "arxiv",
    "version": 1
  }
}