Pith Number

pith:H4DIZ4GD

pith:2011:H4DIZ4GD227CYVSV54YK7USPWX

not attested not anchored not stored refs pending

Rhythms of Memory and Bits on Edge: Symbol Recognition as a Physical Phenomenon

Applied Sciences, Cambridge, F. Hadi Madjid (Concord, John M. Myers (Harvard School of Engineering, MA, U.S.A.)

arxiv:1106.1639 v1 · 2011-06-07 · quant-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	2026-05-18T04:20:22.605716Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f068cf0c3d6be2c5655ef30afd24fb5e1798f51032f931698c1ece7072015c2

Aliases

arxiv: 1106.1639 · arxiv_version: 1106.1639v1 · doi: 10.48550/arxiv.1106.1639 · pith_short_12: H4DIZ4GD227C · pith_short_16: H4DIZ4GD227CYVSV · pith_short_8: H4DIZ4GD

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/H4DIZ4GD227CYVSV54YK7USPWX \
  | 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: 3f068cf0c3d6be2c5655ef30afd24fb5e1798f51032f931698c1ece7072015c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "374e1a69f80d22be0abdf266d019bed4a005027289cd826514f3391c01f4af62",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-06-07T16:17:59Z",
    "title_canon_sha256": "3926544500a1964a7961699656b52ec2fd6ff2531f70dd52167e28975c171077"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.1639",
    "kind": "arxiv",
    "version": 1
  }
}