Pith Number

pith:RIBS5FU7

pith:2025:RIBS5FU7KW7YQAX3OWXTNKRPFF

not attested not anchored not stored refs pending

Primordial Media: the shrouded realm of composite materials

Evgenii Narimanov, Viktor Podolskiy

arxiv:2507.11373 v1 · 2025-07-15 · 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{RIBS5FU7KW7YQAX3OWXTNKRPFF}

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	2026-07-05T11:37:38.068074Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a032e969f55bf8802fb75af36aa2f294b54ceea5b8ea3e58b98eb83847c7704

Aliases

arxiv: 2507.11373 · arxiv_version: 2507.11373v1 · doi: 10.48550/arxiv.2507.11373 · pith_short_12: RIBS5FU7KW7Y · pith_short_16: RIBS5FU7KW7YQAX3 · pith_short_8: RIBS5FU7

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/RIBS5FU7KW7YQAX3OWXTNKRPFF \
  | 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: 8a032e969f55bf8802fb75af36aa2f294b54ceea5b8ea3e58b98eb83847c7704

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7213d9c49fc4647dc8b74fa73acbd2882d56e4f742c7e584d6fdff573d3753c1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2025-07-15T14:45:06Z",
    "title_canon_sha256": "89b271dccc197f42c5e6f2e27e5d8588aab8e8a87173e856f26af9db30b7eeec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.11373",
    "kind": "arxiv",
    "version": 1
  }
}