Pith Number

pith:OGOFHVC2

pith:2018:OGOFHVC2UYX5OATAWXF6ROB7YN

not attested not anchored not stored refs pending

Observation of Spider Silk by Femtosecond Pulse Laser Second Harmonic Generation Microscopy

Goro Mizutani, Harvey N. Rutt, K. T. T. Hien, Yanrong Li, Yue Zhao

arxiv:1812.10390 v1 · 2018-12-20 · cond-mat.soft · 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{OGOFHVC2UYX5OATAWXF6ROB7YN}

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	2026-05-17T23:57:24.232116Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

719c53d45aa62fd70260b5cbe8b83fc3489aed03a6705863164722881c0e96c1

Aliases

arxiv: 1812.10390 · arxiv_version: 1812.10390v1 · doi: 10.48550/arxiv.1812.10390 · pith_short_12: OGOFHVC2UYX5 · pith_short_16: OGOFHVC2UYX5OATA · pith_short_8: OGOFHVC2

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/OGOFHVC2UYX5OATAWXF6ROB7YN \
  | 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: 719c53d45aa62fd70260b5cbe8b83fc3489aed03a6705863164722881c0e96c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e17eabf7d0de4991d4d75aab93b57a824bee33c7d6328b13a4b1172adb3e6009",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2018-12-20T15:04:57Z",
    "title_canon_sha256": "666803ab1fcb4cbeaeeee30306fb817c9f3c279e6bb757fbbb5b3d6c57b565ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.10390",
    "kind": "arxiv",
    "version": 1
  }
}