Pith Number

pith:TAGDPCZM

pith:2011:TAGDPCZM7QX7VV7TSXR5NTMIWR

not attested not anchored not stored refs pending

Modeling of Time with Metamaterials

Igor I. Smolyaninov, Yu-Ju Hung

arxiv:1104.0561 v3 · 2011-04-04 · physics.optics · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TAGDPCZM7QX7VV7TSXR5NTMIWR}

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	2026-05-18T02:02:38.543009Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

980c378b2cfc2ffad7f395e3d6cd88b46b4f24cd2697e3f19a34d3ce1f8d0376

Aliases

arxiv: 1104.0561 · arxiv_version: 1104.0561v3 · doi: 10.48550/arxiv.1104.0561 · pith_short_12: TAGDPCZM7QX7 · pith_short_16: TAGDPCZM7QX7VV7T · pith_short_8: TAGDPCZM

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/TAGDPCZM7QX7VV7TSXR5NTMIWR \
  | 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: 980c378b2cfc2ffad7f395e3d6cd88b46b4f24cd2697e3f19a34d3ce1f8d0376

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e87e35a5a6d8edfafaa5175b7a7ff515e488143fabaa0913bd45e30245a57aba",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2011-04-04T13:21:02Z",
    "title_canon_sha256": "bd50196a0b08f790105bc54e5806d691872e3b91ff73a7db972b9cbfc9a086b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.0561",
    "kind": "arxiv",
    "version": 3
  }
}