Pith Number

pith:7OPA4CDP

pith:2013:7OPA4CDPKLTMVCZ4MLZF3WK6QX

not attested not anchored not stored refs pending

Heater self-calibration technique for shape prediction of fiber tapers

Eugene S. Polzik, Heidi L. S{\o}rensen, J\"urgen Appel

arxiv:1312.3840 v2 · 2013-12-10 · cond-mat.mtrl-sci · 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{7OPA4CDPKLTMVCZ4MLZF3WK6QX}

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	2026-05-18T02:50:50.340822Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb9e0e086f52e6ca8b3c62f25dd95e85dc43b3a7b1fd19663a0f5cd169721933

Aliases

arxiv: 1312.3840 · arxiv_version: 1312.3840v2 · doi: 10.48550/arxiv.1312.3840 · pith_short_12: 7OPA4CDPKLTM · pith_short_16: 7OPA4CDPKLTMVCZ4 · pith_short_8: 7OPA4CDP

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/7OPA4CDPKLTMVCZ4MLZF3WK6QX \
  | 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: fb9e0e086f52e6ca8b3c62f25dd95e85dc43b3a7b1fd19663a0f5cd169721933

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00c9b5f60b6b0987091f938d3c4cfa0c0f333fb37ee86ec8a055ce2cf856fcca",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2013-12-10T11:09:48Z",
    "title_canon_sha256": "5e8f1cbbcf7d9f33b03f33e4711094f6d5d39bd7de2681e6a879c2d52c6e4662"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.3840",
    "kind": "arxiv",
    "version": 2
  }
}