Pith Number

pith:2L54QEIH

pith:2021:2L54QEIHOZDIBW3RLUYVORFHPX

not attested not anchored not stored refs pending

Enabling variable high spatial resolution retrieval from a long pulse BOTDA sensor

Can Zhao, Hao Wu, Li Shen, Ming Tang, Zhao Ge, Zhiyong Zhao

arxiv:2109.10349 v1 · 2021-09-09 · eess.SP · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2L54QEIHOZDIBW3RLUYVORFHPX}

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	2026-07-05T03:16:34.950732Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2fbc81107764680db715d315744a77dd61310fe24517ecaa8405eebe249cac0

Aliases

arxiv: 2109.10349 · arxiv_version: 2109.10349v1 · doi: 10.48550/arxiv.2109.10349 · pith_short_12: 2L54QEIHOZDI · pith_short_16: 2L54QEIHOZDIBW3R · pith_short_8: 2L54QEIH

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/2L54QEIHOZDIBW3RLUYVORFHPX \
  | 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: d2fbc81107764680db715d315744a77dd61310fe24517ecaa8405eebe249cac0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2209eb72a9c3203283c9b4e1ed80ce3f35201c93ca65a73f26a8de0f3cda7fbd",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2021-09-09T03:01:56Z",
    "title_canon_sha256": "8754a9aa90add4eec2118e01f97e08bbab75a368a278515e4226e9b88dd94ebc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.10349",
    "kind": "arxiv",
    "version": 1
  }
}