Pith Number

pith:3D5TQHS7

pith:2016:3D5TQHS7CIOT3RKPEQHMUIZWTP

not attested not anchored not stored refs pending

Mobile Communication Signatures of Unemployment

Abdullah Almaatouq, Alex Pentland, Francisco Prieto-Castrillo

arxiv:1609.01778 v1 · 2016-09-06 · cs.SI · cs.CY · physics.soc-ph

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

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	2026-05-18T00:31:51.932655Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8fb381e5f121d3dc54f240eca23369be1d3d91b472006f425e06cfd5468dfe9

Aliases

arxiv: 1609.01778 · arxiv_version: 1609.01778v1 · doi: 10.48550/arxiv.1609.01778 · pith_short_12: 3D5TQHS7CIOT · pith_short_16: 3D5TQHS7CIOT3RKP · pith_short_8: 3D5TQHS7

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/3D5TQHS7CIOT3RKPEQHMUIZWTP \
  | 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: d8fb381e5f121d3dc54f240eca23369be1d3d91b472006f425e06cfd5468dfe9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d51ffb9432f88a04b11faed3fe48fc1525271a5d1fc91ac22f96519cf8ff5a1",
    "cross_cats_sorted": [
      "cs.CY",
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2016-09-06T22:27:26Z",
    "title_canon_sha256": "da53a626c990d617c6eae3c17cccf2a89337ceed048a28a5a4123f00ae52f980"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.01778",
    "kind": "arxiv",
    "version": 1
  }
}