Pith Number

pith:H5PCF2BD

pith:2016:H5PCF2BDOSOTW3RQG36HCIS4CB

not attested not anchored not stored refs pending

Observation of quantum friction in solid 4He

Almog Danzig, Emil Polturak, Ori Scaly

arxiv:1604.00862 v1 · 2016-04-04 · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H5PCF2BDOSOTW3RQG36HCIS4CB}

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	2026-05-18T01:17:47.994745Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f5e22e823749d3b6e3036fc71225c1051ac00dce51d8f63ee0763abaef37b31

Aliases

arxiv: 1604.00862 · arxiv_version: 1604.00862v1 · doi: 10.48550/arxiv.1604.00862 · pith_short_12: H5PCF2BDOSOT · pith_short_16: H5PCF2BDOSOTW3RQ · pith_short_8: H5PCF2BD

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/H5PCF2BDOSOTW3RQG36HCIS4CB \
  | 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: 3f5e22e823749d3b6e3036fc71225c1051ac00dce51d8f63ee0763abaef37b31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c79c4dd342af1bf17e54646cdb89f5f9a5a86bc024a7ae2caa3f79425207a85",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2016-04-04T13:54:28Z",
    "title_canon_sha256": "3b060a01f71f3c417cd7f085ba97eaee7ae252960a2fa3c5e299ea42a6402469"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.00862",
    "kind": "arxiv",
    "version": 1
  }
}