Pith Number

pith:PKI4K75B

pith:2019:PKI4K75BPKDLPZRZDH6IA3VWVI

not attested not anchored not stored refs pending

Reference Ultra Low DC Current Source (ULCS) Between 1 fA and 100 pA at TUBITAK UME

Cem Hayirli, Enis Turhan, Gulay Gulmez, Omer Erkan, Yakup Gulmez

arxiv:1907.01389 v3 · 2019-06-28 · physics.ins-det

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PKI4K75BPKDLPZRZDH6IA3VWVI}

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	2026-05-17T23:40:03.206848Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a91c57fa17a86b7e63919fc806eb6aa20655735ca575f690b4044c2113a361a

Aliases

arxiv: 1907.01389 · arxiv_version: 1907.01389v3 · doi: 10.48550/arxiv.1907.01389 · pith_short_12: PKI4K75BPKDL · pith_short_16: PKI4K75BPKDLPZRZ · pith_short_8: PKI4K75B

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/PKI4K75BPKDLPZRZDH6IA3VWVI \
  | 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: 7a91c57fa17a86b7e63919fc806eb6aa20655735ca575f690b4044c2113a361a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73ca4be5c99d785917de766a91d1b4d0ffc074d4c8de1703fab922e4a39afe44",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2019-06-28T18:17:53Z",
    "title_canon_sha256": "136e50aefe5b13d30972ca306f8ff03a0a72c6eff09b5807d376a8568cd48193"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.01389",
    "kind": "arxiv",
    "version": 3
  }
}