Pith Number

pith:PIFBY3CU

pith:2026:PIFBY3CUBOQHMC43B5OKFVYVHJ

not attested not anchored not stored refs pending

Research on topological materials using ultrafast spectroscopy

Hao Liu, Jian-Qiao Meng

arxiv:2607.12536 v1 · 2026-07-14 · cond-mat.str-el · 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{PIFBY3CUBOQHMC43B5OKFVYVHJ}

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	2026-07-15T01:21:40.535048Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a0a1c6c540ba0760b9b0f5ca2d7153a447d41172deff5ea1230bc8ae7f960d2

Aliases

arxiv: 2607.12536 · arxiv_version: 2607.12536v1 · doi: 10.48550/arxiv.2607.12536 · pith_short_12: PIFBY3CUBOQH · pith_short_16: PIFBY3CUBOQHMC43 · pith_short_8: PIFBY3CU

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/PIFBY3CUBOQHMC43B5OKFVYVHJ \
  | 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: 7a0a1c6c540ba0760b9b0f5ca2d7153a447d41172deff5ea1230bc8ae7f960d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "231f1f1a985371db9b01a2c8f1eb2e71f8b93a8f18f7a7c8564524b71de87839",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2026-07-14T09:09:06Z",
    "title_canon_sha256": "39a16cba89244cf9fe3d412c18d0709778bcfd7ebe7f740318776e5bc765bf7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.12536",
    "kind": "arxiv",
    "version": 1
  }
}