Pith Number

pith:EDKQIY4S

pith:2017:EDKQIY4S7MKPS43OEGOCAAXAAO

not attested not anchored not stored refs pending

Optimizing noise level for perturbing geo-location data

Abhinav Palia, Rajat Tandon

arxiv:1705.02108 v1 · 2017-05-05 · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EDKQIY4S7MKPS43OEGOCAAXAAO}

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	2026-05-17T23:57:07.855724Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20d5046392fb14f9736e219c2002e003a6ff6f1a49cf69234b4f4b01b560473e

Aliases

arxiv: 1705.02108 · arxiv_version: 1705.02108v1 · doi: 10.48550/arxiv.1705.02108 · pith_short_12: EDKQIY4S7MKP · pith_short_16: EDKQIY4S7MKPS43O · pith_short_8: EDKQIY4S

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/EDKQIY4S7MKPS43OEGOCAAXAAO \
  | 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: 20d5046392fb14f9736e219c2002e003a6ff6f1a49cf69234b4f4b01b560473e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3df7351a8e78f43796c86e611f9fd88eeb9a7bde154c1132fa9b46c0c136e4e8",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2017-05-05T07:28:54Z",
    "title_canon_sha256": "de7ee29625fab3ce2ea91ba036de9e0547e7f3a92cc0df20b786cd0562ca3fd6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.02108",
    "kind": "arxiv",
    "version": 1
  }
}